Myth check: do ostriches bury their heads in the sand?, sentence 10
An ostrich egg is the largest egg of any living bird, about 15 centimetres long and as heavy as about 20 to 24 hen's eggs; its shell is so strong that a grown-up can stand on it.
Who acts: ostrich egg, shell · What happens: be, grow up, stand · To what, where: largest egg
This is a sentence of the lesson «Myth check: do ostriches bury their heads in the sand?» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (ostrich egg, shell), what happens, when and where, as Mova's frames read it from the tree.
The tree
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | An | a | DET | Definite=Ind PronType=Art | 3 egg | det |
| 2 | ostrich | ostrich | NOUN | Number=Sing | 3 egg | compound |
| 3 | egg | egg | NOUN | Number=Sing | 7 egg | nsubj |
| 4 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 7 egg | cop |
| 5 | the | the | DET | Definite=Def PronType=Art | 7 egg | det |
| 6 | largest | large | ADJ | Degree=Sup | 7 egg | amod |
| 7 | egg | egg | NOUN | Number=Sing | root | root |
| 8 | of | of | ADP | _ | 11 bird | case |
| 9 | any | any | DET | PronType=Ind | 11 bird | det |
| 10 | living | living | ADJ | Degree=Pos | 11 bird | amod |
| 11 | bird | bird | NOUN | Number=Sing | 7 egg | nmod |
| 12 | , | , | PUNCT | _ | 15 centimetres | punct |
| 13 | about | about | ADV | _ | 14 15 | advmod |
| 14 | 15 | 15 | NUM | NumForm=Digit NumType=Card | 15 centimetres | nummod |
| 15 | centimetres | centimetre | NOUN | Number=Plur | 16 long | obl:unmarked |
| 16 | long | long | ADJ | Degree=Pos | 7 egg | parataxis |
| 17 | and | and | CCONJ | _ | 19 heavy | cc |
| 18 | as | as | ADV | _ | 19 heavy | advmod |
| 19 | heavy | heavy | ADJ | Degree=Pos | 16 long | conj |
| 20 | as | as | ADP | _ | 27 eggs | case |
| 21 | about | about | ADV | _ | 22 20 | advmod |
| 22 | 20 | 20 | NUM | NumForm=Digit NumType=Card | 27 eggs | nummod |
| 23 | to | to | ADP | _ | 24 24 | case |
| 24 | 24 | 24 | NUM | NumForm=Digit NumType=Card | 22 20 | nmod |
| 25 | hen | hen | NOUN | Number=Sing | 27 eggs | nmod:poss |
| 26 | 's | 's | PART | _ | 25 hen | case |
| 27 | eggs | egg | NOUN | Number=Plur | 19 heavy | obl |
| 28 | ; | ; | PUNCT | _ | 33 strong | punct |
| 29 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 30 shell | nmod:poss |
| 30 | shell | shell | NOUN | Number=Sing | 33 strong | nsubj |
| 31 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 33 strong | cop |
| 32 | so | so | ADV | _ | 33 strong | advmod |
| 33 | strong | strong | ADJ | Degree=Pos | 19 heavy | conj |
| 34 | that | that | SCONJ | _ | 40 stand | mark |
| 35 | a | a | DET | Definite=Ind PronType=Art | 38 up | det |
| 36 | grown | grow | VERB | Tense=Past VerbForm=Part Voice=Pass | 40 stand | nsubj |
| 37 | - | - | PUNCT | _ | 38 up | punct |
| 38 | up | up | NOUN | Number=Sing | 36 grown | compound:prt |
| 39 | can | can | AUX | VerbForm=Fin | 40 stand | aux |
| 40 | stand | stand | VERB | VerbForm=Inf | 33 strong | advcl |
| 41 | on | on | ADP | _ | 42 it | case |
| 42 | it | it | PRON | Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs | 40 stand | obl |
| 43 | . | . | PUNCT | _ | 7 egg | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is a | present | a ostrich egg | the largest egg | of any living bird | tree rules | |||
| 2 | is | present | bird's shell | strong property | tree rules | ||||
| 3 | grow up | participle | vn appear-48.1.1 «NP V»: agent=Theme | ||||||
| 4 | stand | can | on bird | vn assuming_position-50 «NP V PP.location»: agent=Agent on it=Location |
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.
Licence: CC BY-SA 4.0, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, mova-school-agreed-en.conllu) is part. The lessons were written for Mova's primary school. Sentence school:biology:151-ostriches-and-heads-in-the-sand.lesson:10.
The tree: Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R4-particle ×1, R5-strong ×1, R7-rel-agree ×1. The frames are read from the tree by Mova's frames reader (prag) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.
See the release 0.4.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/biology/151-ostriches-and-heads-in-the-sand/10/