obsidian Who acts: Obsidian, hard shiny black natural glass, lava, Ancient people, museum, you · What happens: be, form, cool, use, make, have · To what, where: hard shiny black natural glass, Obsidian, sharp knives, black volcanic glass, sharp arrowheads, Aztec mirror
«obsidian» in the school dictionary: its 2 meanings for a pupil and its 6 examples, every sentence parsed by Mova itself — its syntax tree, a dependency tree in the style of Universal Dependencies, and its pragmatics clause by clause. The word in the dictionary, with its sense in the lessons: obsidian in the school dictionary .
Meaning 1 Obsidian is a hard, shiny black (or dark) natural glass that forms when lava from a volcano cools very quickly.
The tree, 20 words nsubj cop det amod punct amod amod punct cc conj punct amod nsubj acl:relcl mark nsubj case det nmod advcl advmod advmod punct root Obsidian PROPN is AUX a DET hard ADJ , PUNCT shiny ADJ black ADJ ( PUNCT or CCONJ dark ADJ ) PUNCT natural ADJ glass NOUN that PRON forms VERB when SCONJ lava NOUN from ADP a DET volcano NOUN cools VERB very ADV quickly ADV . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 Obsidian Obsidian PROPN Number=Sing 13 glass nsubj 2 is be AUX Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin 13 glass cop 3 a a DET Definite=Ind PronType=Art 13 glass det 4 hard hard ADJ Degree=Pos 13 glass amod 5 , , PUNCT _ 4 hard punct 6 shiny shiny ADJ Degree=Pos 13 glass amod 7 black black ADJ Degree=Pos 13 glass amod 8 ( ( PUNCT _ 10 dark punct 9 or or CCONJ _ 10 dark cc 10 dark dark ADJ Degree=Pos 7 black conj 11 ) ) PUNCT _ 10 dark punct 12 natural natural ADJ Degree=Pos 13 glass amod 13 glass glass NOUN Number=Sing root root 14 that that PRON PronType=Rel 15 forms nsubj 15 forms form VERB Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin 13 glass acl:relcl 16 when when SCONJ _ 21 cools mark 17 lava lava NOUN Number=Sing 21 cools nsubj 18 from from ADP _ 20 volcano case 19 a a DET Definite=Ind PronType=Art 20 volcano det 20 volcano volcano NOUN Number=Sing 17 lava nmod 21 cools cool VERB Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin 15 forms advcl 22 very very ADV _ 23 quickly advmod 23 quickly quickly ADV _ 21 cools advmod 24 . . PUNCT _ 13 glass punct
# verb tense, mood who what, whom to whom where when other roles by
1 is a present Obsidian a hard shiny black natural glass tree rules 2 form present a hard shiny black natural glass vn appear-48.1.1 «NP V»: agent=Theme 3 cool present lava from a volcano quickly property vn other_cos-45.4 «NP.patient V»: agent=Patient
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.
Meaning 2 Obsidian was used long ago to make very sharp knives, arrowheads and mirrors.
The tree, 13 words nsubj aux:pass advmod advmod mark advcl advmod amod obj punct conj cc conj punct root Obsidian PROPN was AUX used VERB long ADV ago ADV to PART make VERB very ADV sharp ADJ knives NOUN , PUNCT arrowheads NOUN and CCONJ mirrors NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 Obsidian Obsidian PROPN Number=Sing 3 used nsubj 2 was be AUX Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin 3 used aux:pass 3 used use VERB Tense=Past VerbForm=Part Voice=Pass root root 4 long long ADV Degree=Pos 5 ago advmod 5 ago ago ADV _ 3 used advmod 6 to to PART _ 7 make mark 7 make make VERB VerbForm=Inf 3 used advcl 8 very very ADV _ 9 sharp advmod 9 sharp sharp ADJ Degree=Pos 10 knives amod 10 knives knife NOUN Number=Plur 7 make obj 11 , , PUNCT _ 12 arrowheads punct 12 arrowheads arrowhead NOUN Number=Plur 10 knives conj 13 and and CCONJ _ 14 mirrors cc 14 mirrors mirror NOUN Number=Plur 10 knives conj 15 . . PUNCT _ 3 used punct
# verb tense, mood who what, whom to whom where when other roles by
1 use past · passive Obsidian ago property vn eat-39.1 «NP V NP»: subject=Patient 2 make to-infinitive sharp knives and arrowheads and mirrors vn build-26.1-1 «NP.asset V NP»: agent=Asset knife=Product
Example 1 Obsidian is black volcanic glass.
nsubj cop amod amod punct root Obsidian PROPN is AUX black ADJ volcanic ADJ glass NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 Obsidian Obsidian PROPN Number=Sing 5 glass nsubj 2 is be AUX Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin 5 glass cop 3 black black ADJ Degree=Pos 5 glass amod 4 volcanic volcanic ADJ Degree=Pos 5 glass amod 5 glass glass NOUN Number=Sing root root 6 . . PUNCT _ 5 glass punct
# verb tense, mood who what, whom to whom where when other roles by
1 is a present Obsidian black volcanic glass tree rules
Example 2 Obsidian forms when lava cools very quickly.
amod mark nsubj advcl advmod advmod punct root Obsidian ADJ forms NOUN when SCONJ lava NOUN cools VERB very ADV quickly ADV . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 Obsidian obsidian ADJ Degree=Pos 2 forms amod 2 forms form NOUN Number=Plur root root 3 when when SCONJ _ 5 cools mark 4 lava lava NOUN Number=Sing 5 cools nsubj 5 cools cool VERB Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin 2 forms advcl 6 very very ADV _ 7 quickly advmod 7 quickly quickly ADV _ 5 cools advmod 8 . . PUNCT _ 2 forms punct
# verb tense, mood who what, whom to whom where when other roles by
1 cool present lava quickly property vn other_cos-45.4 «NP.patient V»: agent=Patient
Example 3 Ancient people made sharp arrowheads from obsidian.
amod nsubj amod obj case obl punct root Ancient ADJ people NOUN made VERB sharp ADJ arrowheads NOUN from ADP obsidian NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 Ancient ancient ADJ Degree=Pos 2 people amod 2 people people NOUN Number=Plur 3 made nsubj 3 made make VERB Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin root root 4 sharp sharp ADJ Degree=Pos 5 arrowheads amod 5 arrowheads arrowhead NOUN Number=Plur 3 made obj 6 from from ADP _ 7 obsidian case 7 obsidian obsidian NOUN Number=Sing 3 made obl 8 . . PUNCT _ 3 made punct
# verb tense, mood who what, whom to whom where when other roles by
1 make past Ancient people sharp arrowheads obsidian vn build-26.1-1 «NP V NP.product PP.material»: agent=Agent arrowhead=Product from obsidian=Material
Example 4 The museum had an Aztec mirror made of obsidian.
det nsubj det compound obj acl case obl punct root The DET museum NOUN had VERB an DET Aztec PROPN mirror NOUN made VERB of ADP obsidian NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 The the DET Definite=Def PronType=Art 2 museum det 2 museum museum NOUN Number=Sing 3 had nsubj 3 had have VERB Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin root root 4 an a DET Definite=Ind PronType=Art 6 mirror det 5 Aztec Aztec PROPN Number=Sing 6 mirror compound 6 mirror mirror NOUN Number=Sing 3 had obj 7 made make VERB Tense=Past VerbForm=Part Voice=Pass 6 mirror acl 8 of of ADP _ 9 obsidian case 9 obsidian obsidian NOUN Number=Sing 7 made obl 10 . . PUNCT _ 3 had punct
# verb tense, mood who what, whom to whom where when other roles by
1 have past the museum a Aztec mirror vn birth-28.2-1 «NP V NP»: agent=Agent mirror=Patient 2 make participle a Aztec mirror not said here of obsidian vn build-26.1-1 «NP.asset V NP»: agent=Asset
Example 5 In Minecraft you need obsidian to build a portal.
case obl nsubj obj mark xcomp det obj punct root In ADP Minecraft PROPN you PRON need VERB obsidian NOUN to PART build VERB a DET portal NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 In in ADP _ 2 Minecraft case 2 Minecraft Minecraft PROPN Number=Sing 4 need obl 3 you you PRON Case=Nom Person=2 PronType=Prs 4 need nsubj 4 need need VERB Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin root root 5 obsidian obsidian NOUN Number=Sing 4 need obj 6 to to PART _ 7 build mark 7 build build VERB VerbForm=Inf 4 need xcomp 8 a a DET Definite=Ind PronType=Art 9 portal det 9 portal portal NOUN Number=Sing 7 build obj 10 . . PUNCT _ 4 need punct
# verb tense, mood who what, whom to whom where when other roles by
1 need present you obsidian Minecraft tree rules 2 build not said to happen to-infinitive obsidian not said here a portal vn build-26.1-1 «NP.asset V NP»: agent=Asset portal=Product
Example 6 Obsidian is an igneous rock.
nsubj cop det amod punct root Obsidian PROPN is AUX an DET igneous ADJ rock NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 Obsidian Obsidian PROPN Number=Sing 5 rock nsubj 2 is be AUX Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin 5 rock cop 3 an a DET Definite=Ind PronType=Art 5 rock det 4 igneous igneous ADJ Degree=Pos 5 rock amod 5 rock rock NOUN Number=Sing root root 6 . . PUNCT _ 5 rock punct
# verb tense, mood who what, whom to whom where when other roles by
1 is a present Obsidian a igneous rock tree rules
Text: the school dictionary of Mova's schools (world/data/dictionary-schools/), written for Mova. Trees: Mova's own parse — the en model on the CPU, when the site is built — not checked by a teacher; they may be wrong. Frames: Mova's frames reader (prag), each meaning and example read on its own. Elamur Cosmic License.
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