Big snakes: pythons, boas and anacondas, and how big they really get, sentence 18
Female pythons coil around their eggs to guard them, and a Burmese python mother can twitch her muscles to keep them several degrees warmer than the air; boas and anacondas give birth to live babies.
Who acts: Female pythons, Burmese python mother, boas · What happens: coil, guard, twitch, keep, give · To what, where: eggs, Pythons, muscles, birth
This is a sentence of the lesson «Big snakes: pythons, boas and anacondas, and how big they really get» 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 (Female pythons, Burmese python mother, boas), 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 | Female | female | ADJ | Degree=Pos | 2 pythons | amod |
| 2 | pythons | python | NOUN | Number=Plur | 3 coil | nsubj |
| 3 | coil | coil | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 33 give | parataxis |
| 4 | around | around | ADP | _ | 6 eggs | case |
| 5 | their | their | PRON | Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs | 6 eggs | nmod:poss |
| 6 | eggs | egg | NOUN | Number=Plur | 3 coil | obl |
| 7 | to | to | PART | _ | 8 guard | mark |
| 8 | guard | guard | VERB | VerbForm=Inf | 3 coil | advcl |
| 9 | them | they | PRON | Case=Acc Number=Plur Person=3 PronType=Prs | 8 guard | obj |
| 10 | , | , | PUNCT | _ | 17 twitch | punct |
| 11 | and | and | CCONJ | _ | 17 twitch | cc |
| 12 | a | a | DET | Definite=Ind PronType=Art | 15 mother | det |
| 13 | Burmese | burmese | ADJ | Degree=Pos | 15 mother | amod |
| 14 | python | python | NOUN | Number=Sing | 15 mother | compound |
| 15 | mother | mother | NOUN | Number=Sing | 17 twitch | nsubj |
| 16 | can | can | AUX | VerbForm=Fin | 17 twitch | aux |
| 17 | twitch | twitch | VERB | VerbForm=Inf | 3 coil | conj |
| 18 | her | her | PRON | Case=Gen Gender=Fem Number=Sing Person=3 Poss=Yes PronType=Prs | 19 muscles | nmod:poss |
| 19 | muscles | muscle | NOUN | Number=Plur | 17 twitch | obj |
| 20 | to | to | PART | _ | 21 keep | mark |
| 21 | keep | keep | VERB | VerbForm=Inf | 17 twitch | advcl |
| 22 | them | they | PRON | Case=Acc Number=Plur Person=3 PronType=Prs | 21 keep | obj |
| 23 | several | several | ADJ | Degree=Pos | 24 degrees | amod |
| 24 | degrees | degree | NOUN | Number=Plur | 25 warmer | obl |
| 25 | warmer | warm | ADJ | Degree=Cmp | 21 keep | xcomp |
| 26 | than | than | ADP | _ | 28 air | case |
| 27 | the | the | DET | Definite=Def PronType=Art | 28 air | det |
| 28 | air | air | NOUN | Number=Sing | 25 warmer | obl |
| 29 | ; | ; | PUNCT | _ | 33 give | punct |
| 30 | boas | boa | NOUN | Number=Plur | 33 give | nsubj |
| 31 | and | and | CCONJ | _ | 32 anacondas | cc |
| 32 | anacondas | anaconda | NOUN | Number=Plur | 30 boas | conj |
| 33 | give | give | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 34 | birth | birth | NOUN | Number=Sing | 33 give | obj |
| 35 | to | to | PART | _ | 36 live | mark |
| 36 | live | live | ADJ | Degree=Pos | 37 babies | amod |
| 37 | babies | baby | NOUN | Number=Plur | 33 give | obl |
| 38 | . | . | PUNCT | _ | 3 coil | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | coil | present | Female pythons | Pythons's eggs | vn coil-9.6-1 «NP V PP.location»: agent=Theme around egg=Destination | ||||
| 2 | guard | to-infinitive | Female pythons not said here | Pythons = python | vn defend-72.3 «NP V NP»: agent=Agent they=Beneficiary | ||||
| 3 | twitch | can | a Burmese python mother | mother's muscles | vn crane-40.3.2 «NP V NP»: agent=Agent muscle=Patient | ||||
| 4 | keep | to-infinitive | a Burmese python mother not said here | Pythons = python | warm property | vn keep-15.2 «NP V NP»: agent=Agent they=Theme | |||
| 5 | give | present | boas and anacondas | birth | live babies obl | vn give-13.1-1 «NP V NP»: agent=Agent birth=Theme |
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:321-big-snakes-pythons-boas-and-anacondas-and-how-big-they-really-get.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 ×2, R6-punct-agree ×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/321-big-snakes-pythons-boas-and-anacondas-and-how-big-they-really-get/18/