Sharks by kind: great white, tiger, bull and hammerhead, sentence 18
A hammerhead's wide head spreads its eyes and electric sensors far apart, sweeping the sand like a metal detector for hidden stingrays and helping it see further around; great hammerheads pin stingrays down with their heads.
Who acts: wide head, sand, great hammerheads · What happens: spread, sweep, help, see, pin down · To what, where: eyes, sand, stingrays
This is a sentence of the lesson «Sharks by kind: great white, tiger, bull and hammerhead» 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 (wide head, sand, great hammerheads), 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 | A | a | DET | Definite=Ind PronType=Art | 2 hammerhead | det |
| 2 | hammerhead | hammerhead | NOUN | Number=Sing | 5 head | nmod:poss |
| 3 | 's | 's | PART | _ | 2 hammerhead | case |
| 4 | wide | wide | ADJ | Degree=Pos | 5 head | amod |
| 5 | head | head | NOUN | Number=Sing | 6 spreads | nsubj |
| 6 | spreads | spread | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 7 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 8 eyes | nmod:poss |
| 8 | eyes | eye | NOUN | Number=Plur | 6 spreads | obj |
| 9 | and | and | CCONJ | _ | 11 sensors | cc |
| 10 | electric | electric | ADJ | Degree=Pos | 11 sensors | amod |
| 11 | sensors | sensor | NOUN | Number=Plur | 8 eyes | conj |
| 12 | far | far | ADV | Degree=Pos | 13 apart | advmod |
| 13 | apart | apart | ADV | _ | 6 spreads | advmod |
| 14 | , | , | PUNCT | _ | 13 apart | punct |
| 15 | sweeping | sweep | VERB | Tense=Pres VerbForm=Part | 6 spreads | advcl |
| 16 | the | the | DET | Definite=Def PronType=Art | 17 sand | det |
| 17 | sand | sand | NOUN | Number=Sing | 15 sweeping | obj |
| 18 | like | like | ADP | _ | 21 detector | case |
| 19 | a | a | DET | Definite=Ind PronType=Art | 21 detector | det |
| 20 | metal | metal | NOUN | Number=Sing | 21 detector | compound |
| 21 | detector | detector | NOUN | Number=Sing | 15 sweeping | obl |
| 22 | for | for | ADP | _ | 24 stingrays | case |
| 23 | hidden | hidden | ADJ | Degree=Pos | 24 stingrays | amod |
| 24 | stingrays | stingray | NOUN | Number=Plur | 21 detector | nmod |
| 25 | and | and | CCONJ | _ | 26 helping | cc |
| 26 | helping | help | VERB | Tense=Pres VerbForm=Part | 15 sweeping | conj |
| 27 | it | it | PRON | Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs | 26 helping | obj |
| 28 | see | see | VERB | VerbForm=Inf | 26 helping | xcomp |
| 29 | further | further | ADV | _ | 30 around | advmod |
| 30 | around | around | ADV | _ | 28 see | advmod |
| 31 | ; | ; | PUNCT | _ | 6 spreads | punct |
| 32 | great | great | ADJ | Degree=Pos | 33 hammerheads | amod |
| 33 | hammerheads | hammerhead | NOUN | Number=Plur | 34 pin | nsubj |
| 34 | pin | pin | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 6 spreads | parataxis |
| 35 | stingrays | stingray | NOUN | Number=Plur | 34 pin | obj |
| 36 | down | down | ADV | _ | 34 pin | advmod |
| 37 | with | with | ADP | _ | 39 heads | case |
| 38 | their | their | PRON | Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs | 39 heads | nmod:poss |
| 39 | heads | head | NOUN | Number=Plur | 34 pin | obl |
| 40 | . | . | PUNCT | _ | 6 spreads | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | spread | present | a hammerhead's wide head | head's eyes and electric sensors | apart property | vn appear-48.1.1 «PP.location V NP»: agent=Location eye=Theme | |||
| 2 | sweep | gerund | a hammerhead's wide head not said here | the sand | like a metal detector for hidden stingrays | vn run-51.3.2-1 «NP V NP»: agent=Theme sand=Trajectory | |||
| 3 | help | gerund | a hammerhead's wide head not said here | sand | vn help-72.1-1-1 «NP V NP S_INF»: agent=Agent it=Beneficiary clause=Theme | ||||
| 4 | see | infinitive | sand not said here | around property | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer | ||||
| 5 | pin down | present | great hammerheads | stingrays | with Sharks's heads; down property | vn tape-22.4 «NP V NP PP.co-patient PP.instrument»: agent=Agent stingray=Patient with head=Instrument |
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:310-sharks-by-kind-great-white-tiger-bull-and-hammerhead.lesson:18.
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): 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/310-sharks-by-kind-great-white-tiger-bull-and-hammerhead/18/