Balance in a food web, sentence 9
If a predator disappears, its prey usually increases in number.
Who acts: predator, prey · What happens: disappear, increase · To what, where: number
This is a sentence of the lesson «Balance in a food web» of the world 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 (predator, prey), 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 | If | if | SCONJ | _ | 4 disappears | mark |
| 2 | a | a | DET | Definite=Ind PronType=Art | 3 predator | det |
| 3 | predator | predator | NOUN | Number=Sing | 4 disappears | nsubj |
| 4 | disappears | disappear | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 9 increases | advcl |
| 5 | , | , | PUNCT | _ | 4 disappears | punct |
| 6 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 7 prey | nmod:poss |
| 7 | prey | prey | NOUN | Number=Sing | 9 increases | nsubj |
| 8 | usually | usually | ADV | _ | 9 increases | advmod |
| 9 | increases | increase | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 10 | in | in | ADP | _ | 11 number | case |
| 11 | number | number | NOUN | Number=Sing | 9 increases | obl |
| 12 | . | . | PUNCT | _ | 9 increases | punct |
Pragmatics
- form
- statement
- act
- narrate
- voice
- narrator
- polarity
- none
- teacher
- kept the draft
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | disappear a condition, not said to happen | present | a predator | vn disappearance-48.2-1 «NP V»: agent=Theme | |||||
| 2 | increase | present | energy's prey | number | usually property | vn caused_calibratable_cos-45.6.2-1 «NP V ADV-Middle»: 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.
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:world:030-balance-in-food-webs.lesson:9.
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): no change. 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/world/30-balance-in-food-webs/9/