Myth check: do ostriches bury their heads in the sand?, sentence 1
Real ostriches never do this: a bird with its head under sand could not breathe, and it would be easy prey for a lion.
Who acts: Real ostriches, bird, ostrich · What happens: not do, not breathe, be · To what, where: this, easy prey
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 (Real ostriches, bird, ostrich), 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 | Real | real | ADJ | Degree=Pos | 2 ostriches | amod |
| 2 | ostriches | ostrich | NOUN | Number=Plur | 4 do | nsubj |
| 3 | never | never | ADV | PronType=Neg | 4 do | advmod |
| 4 | do | do | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | this | this | PRON | Number=Sing PronType=Dem | 4 do | obj |
| 6 | : | : | PUNCT | _ | 8 bird | punct |
| 7 | a | a | DET | Definite=Ind PronType=Art | 8 bird | det |
| 8 | bird | bird | NOUN | Number=Sing | 5 this | appos |
| 9 | with | with | ADP | _ | 11 head | case |
| 10 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 11 head | nmod:poss |
| 11 | head | head | NOUN | Number=Sing | 8 bird | nmod |
| 12 | under | under | ADP | _ | 13 sand | case |
| 13 | sand | sand | NOUN | Number=Sing | 11 head | nmod |
| 14 | could | could | AUX | VerbForm=Fin | 16 breathe | aux |
| 15 | not | not | PART | Polarity=Neg | 16 breathe | advmod |
| 16 | breathe | breathe | VERB | VerbForm=Inf | 8 bird | acl:relcl |
| 17 | , | , | PUNCT | _ | 23 prey | punct |
| 18 | and | and | CCONJ | _ | 23 prey | cc |
| 19 | it | it | PRON | Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs | 23 prey | nsubj |
| 20 | would | would | AUX | VerbForm=Fin | 23 prey | aux |
| 21 | be | be | AUX | VerbForm=Inf | 23 prey | cop |
| 22 | easy | easy | ADJ | Degree=Pos | 23 prey | amod |
| 23 | prey | prey | NOUN | Number=Sing | 4 do | obl |
| 24 | for | for | ADP | _ | 26 lion | case |
| 25 | a | a | DET | Definite=Ind PronType=Art | 26 lion | det |
| 26 | lion | lion | NOUN | Number=Sing | 23 prey | nmod |
| 27 | . | . | PUNCT | _ | 4 do | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | not do | present | Real ostriches | this | vn act-114-1 «NP V NP»: agent=Agent this=Eventuality | ||||
| 2 | not breathe | could | a bird with ostrich's head under sand not said here | vn breathe-40.1.2-1 «NP V»: agent=Agent | |||||
| 3 | is a | would | ostrich | easy prey | for a lion | tree rules |
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:1.
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. 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/1/