--- title: Female pythons coil around their eggs to guard them, and a Burmese p… — Big snakes: pythons, boas and anacondas, and how… · tree and pragmatics description: 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. A sentence of the lesson «Big snakes: pythons --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/321-big-snakes-pythons-boas-and-anacondas-and-how-big-they-really-get/18/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Big snakes: pythons, boas and anaconda…](https://md.mova.elamur.ai/free/en/corpora/school/biology/321-big-snakes-pythons-boas-and-anacondas-and-how-big-they-really-get/) / 18 # 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 {#tree} ```conllu # sent_id = school:biology:321-big-snakes-pythons-boas-and-anacondas-and-how-big-they-really-get.lesson:18 # text = 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. # source = school lesson (ours) # course = biology # lesson = 321-big-snakes-pythons-boas-and-anacondas-and-how-big-they-really-get.lesson # annotation = 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 1 Female female ADJ JJ Degree=Pos 2 amod _ _ 2 pythons python NOUN NNS Number=Plur 3 nsubj _ _ 3 coil coil VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 33 parataxis _ _ 4 around around ADP IN _ 6 case _ _ 5 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 6 nmod:poss _ _ 6 eggs egg NOUN NNS Number=Plur 3 obl _ _ 7 to to PART TO _ 8 mark _ _ 8 guard guard VERB VB VerbForm=Inf 3 advcl _ _ 9 them they PRON PRP Case=Acc|Number=Plur|Person=3|PronType=Prs 8 obj _ _ 10 , , PUNCT , _ 17 punct _ _ 11 and and CCONJ CC _ 17 cc _ _ 12 a a DET DT Definite=Ind|PronType=Art 15 det _ _ 13 Burmese burmese ADJ JJ Degree=Pos 15 amod _ _ 14 python python NOUN NN Number=Sing 15 compound _ _ 15 mother mother NOUN NN Number=Sing 17 nsubj _ _ 16 can can AUX MD VerbForm=Fin 17 aux _ _ 17 twitch twitch VERB VB VerbForm=Inf 3 conj _ _ 18 her her PRON PRP$ Case=Gen|Gender=Fem|Number=Sing|Person=3|Poss=Yes|PronType=Prs 19 nmod:poss _ _ 19 muscles muscle NOUN NNS Number=Plur 17 obj _ _ 20 to to PART TO _ 21 mark _ _ 21 keep keep VERB VB VerbForm=Inf 17 advcl _ _ 22 them they PRON PRP Case=Acc|Number=Plur|Person=3|PronType=Prs 21 obj _ _ 23 several several ADJ JJ Degree=Pos 24 amod _ _ 24 degrees degree NOUN NNS Number=Plur 25 obl _ Agree=R7-rel-agree|Haiku=25:nsubj 25 warmer warm ADJ JJR Degree=Cmp 21 xcomp _ _ 26 than than ADP IN _ 28 case _ _ 27 the the DET DT Definite=Def|PronType=Art 28 det _ _ 28 air air NOUN NN Number=Sing 25 obl _ _ 29 ; ; PUNCT , _ 33 punct _ _ 30 boas boa NOUN NNS Number=Plur 33 nsubj _ _ 31 and and CCONJ CC _ 32 cc _ _ 32 anacondas anaconda NOUN NNS Number=Plur 30 conj _ _ 33 give give VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 34 birth birth NOUN NN Number=Sing 33 obj _ _ 35 to to PART TO _ 36 mark _ _ 36 live live ADJ JJ Degree=Pos 37 amod _ Agree=R5-strong|Haiku=34:acl|HaikuPos=VERB:VB:VerbForm=Inf 37 babies baby NOUN NNS Number=Plur 33 obl _ Agree=R5-strong|Haiku=36:obj 38 . . PUNCT . _ 3 punct _ Agree=R6-punct-agree|Haiku=33:punct ``` ## Pragmatics {#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](https://creativecommons.org/licenses/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](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Big snakes: pythons, boas and anaconda…, 17](https://md.mova.elamur.ai/free/en/corpora/school/biology/321-big-snakes-pythons-boas-and-anacondas-and-how-big-they-really-get/17/) - next →: [Snakes to keep away from: cobras, mamb…, 0](https://md.mova.elamur.ai/free/en/corpora/school/biology/322-snakes-to-keep-away-from-cobras-mambas-vipers-and-rattlesnakes/0/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/321-big-snakes-pythons-boas-and-anacondas-and-how-big-they-really-get/)