Pigeons: head bobbing, homing and city cliffs, sentence 1
Watch one walk across a station floor: its head seems to jerk back and forth, but really the head stays perfectly still for a moment while the body catches up, so the bird can see the world without blur.
Who acts: you, one, head, body, bird · What happens: watch, walk, seem, jerk, stay, catch up · To what, where: one, station floor, world
This is a sentence of the lesson «Pigeons: head bobbing, homing and city cliffs» 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 (you, one, head, body), 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 | Watch | watch | VERB | Mood=Imp VerbForm=Fin | root | root |
| 2 | one | one | NUM | NumForm=Word NumType=Card | 1 Watch | obj |
| 3 | walk | walk | VERB | VerbForm=Inf | 1 Watch | xcomp |
| 4 | across | across | ADP | _ | 7 floor | case |
| 5 | a | a | DET | Definite=Ind PronType=Art | 7 floor | det |
| 6 | station | station | NOUN | Number=Sing | 7 floor | compound |
| 7 | floor | floor | NOUN | Number=Sing | 3 walk | obl |
| 8 | : | : | PUNCT | _ | 1 Watch | punct |
| 9 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 10 head | nmod:poss |
| 10 | head | head | NOUN | Number=Sing | 11 seems | nsubj |
| 11 | seems | seem | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 1 Watch | parataxis |
| 12 | to | to | PART | _ | 13 jerk | mark |
| 13 | jerk | jerk | VERB | VerbForm=Inf | 11 seems | xcomp |
| 14 | back | back | ADV | _ | 13 jerk | advmod |
| 15 | and | and | CCONJ | _ | 16 forth | cc |
| 16 | forth | forth | ADV | _ | 14 back | conj |
| 17 | , | , | PUNCT | _ | 22 stays | punct |
| 18 | but | but | CCONJ | _ | 22 stays | cc |
| 19 | really | really | ADV | _ | 22 stays | advmod |
| 20 | the | the | DET | Definite=Def PronType=Art | 21 head | det |
| 21 | head | head | NOUN | Number=Sing | 22 stays | nsubj |
| 22 | stays | stay | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 11 seems | conj |
| 23 | perfectly | perfectly | ADV | _ | 24 still | advmod |
| 24 | still | still | ADV | _ | 22 stays | advmod |
| 25 | for | for | ADP | _ | 27 moment | case |
| 26 | a | a | DET | Definite=Ind PronType=Art | 27 moment | det |
| 27 | moment | moment | NOUN | Number=Sing | 22 stays | obl |
| 28 | while | while | SCONJ | _ | 31 catches | mark |
| 29 | the | the | DET | Definite=Def PronType=Art | 30 body | det |
| 30 | body | body | NOUN | Number=Sing | 31 catches | nsubj |
| 31 | catches | catch | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 22 stays | advcl |
| 32 | up | up | ADP | _ | 31 catches | compound:prt |
| 33 | , | , | PUNCT | _ | 38 see | punct |
| 34 | so | so | ADV | _ | 38 see | advmod |
| 35 | the | the | DET | Definite=Def PronType=Art | 36 bird | det |
| 36 | bird | bird | NOUN | Number=Sing | 38 see | nsubj |
| 37 | can | can | AUX | VerbForm=Fin | 38 see | aux |
| 38 | see | see | VERB | VerbForm=Inf | 1 Watch | conj |
| 39 | the | the | DET | Definite=Def PronType=Art | 40 world | det |
| 40 | world | world | NOUN | Number=Sing | 38 see | obj |
| 41 | without | without | ADP | _ | 42 blur | case |
| 42 | blur | blur | NOUN | Number=Sing | 38 see | obl |
| 43 | . | . | PUNCT | _ | 1 Watch | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | watch | imperative | you not said here | one | tree rules | ||||
| 2 | walk | infinitive | one not said here | a station floor | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme across floor=Trajectory | ||||
| 3 | seem | present | floor's head | vn seem-109-1-1-1 «NP V S_INF»: agent=Theme clause=Attribute | |||||
| 4 | jerk | to-infinitive | floor's head not said here | vn push-12-1 «NP V PP-Conative»: agent=Agent | |||||
| 5 | stay | present | the head | still; moment | vn exist-47.1 «NP V»: agent=Theme | ||||
| 6 | catch up | present | the body | vn get-13.5.1 «NP V NP»: agent=Agent | |||||
| 7 | see | can | the bird | the world | without blur | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer world=Stimulus |
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:221-pigeons-head-bobbing-homing-and-city-cliffs.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, 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/221-pigeons-head-bobbing-homing-and-city-cliffs/1/