--- title: Snakes swallow food whole; the two halves of the lower jaw are joine… — Snakes and lizards · tree and pragmatics description: Snakes swallow food whole; the two halves of the lower jaw are joined by stretchy tissue, so the idea that they unhinge their jaws is a myth. Who acts: Snakes, stretchy tissue, idea. A sentence of the lesson «Snakes and lizards» of the biology course of Mova's primary school with its dependency tree --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/30-snakes-and-lizards/7/) [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/) / [Snakes and lizards](https://md.mova.elamur.ai/free/en/corpora/school/biology/30-snakes-and-lizards/) / 7 # Snakes and lizards, sentence 7 Snakes swallow food whole; the two halves of the lower jaw are joined by stretchy tissue, so the idea that they unhinge their jaws is a myth. **Who acts:** Snakes, stretchy tissue, idea · **What happens:** swallow, join, unhinge, be · **To what, where:** food, two halves, jaws, myth This is a sentence of the lesson «Snakes and lizards» 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 (Snakes, stretchy tissue, idea), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:030-snakes-and-lizards.lesson:7 # text = Snakes swallow food whole; the two halves of the lower jaw are joined by stretchy tissue, so the idea that they unhinge their jaws is a myth. # source = school lesson (ours) # course = biology # lesson = 030-snakes-and-lizards.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): R2-punct-next ×1, R5-strong ×1, R6-punct-agree ×1, R7-rel-agree ×1 1 Snakes snake NOUN NNS Number=Plur 2 nsubj _ _ 2 swallow swallow VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 food food NOUN NN Number=Sing 2 obj _ _ 4 whole whole ADJ JJ Degree=Pos 2 xcomp _ Agree=R5-strong|Haiku=3:amod 5 ; ; PUNCT , _ 14 punct _ Agree=R2-punct-next|Haiku=2:punct 6 the the DET DT Definite=Def|PronType=Art 8 det _ _ 7 two two NUM CD NumForm=Word|NumType=Card 8 nummod _ _ 8 halves half NOUN NNS Number=Plur 14 nsubj _ _ 9 of of ADP IN _ 12 case _ _ 10 the the DET DT Definite=Def|PronType=Art 12 det _ _ 11 lower low ADJ JJR Degree=Cmp 12 amod _ _ 12 jaw jaw NOUN NN Number=Sing 8 nmod _ _ 13 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 14 aux:pass _ _ 14 joined join VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 2 parataxis _ Agree=R7-rel-agree|Haiku=2:conj 15 by by ADP IN _ 17 case _ _ 16 stretchy stretchy ADJ JJ Degree=Pos 17 amod _ _ 17 tissue tissue NOUN NN Number=Sing 14 obl _ _ 18 , , PUNCT , _ 29 punct _ Agree=R6-punct-agree|Haiku=21:punct 19 so so ADV RB _ 29 advmod _ _ 20 the the DET DT Definite=Def|PronType=Art 21 det _ _ 21 idea idea NOUN NN Number=Sing 29 nsubj _ _ 22 that that SCONJ IN _ 24 mark _ _ 23 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 24 nsubj _ _ 24 unhinge unhinge VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 21 acl _ _ 25 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 26 nmod:poss _ _ 26 jaws jaw NOUN NNS Number=Plur 24 obj _ _ 27 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 29 cop _ _ 28 a a DET DT Definite=Ind|PronType=Art 29 det _ _ 29 myth myth NOUN NN Number=Sing 14 parataxis _ _ 30 . . PUNCT . _ 2 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **swallow** | present | Snakes | food | | | | whole *property* | vn gobble-39.3 «NP V NP»: agent=Agent food=Patient | | 2 | **join** | present · passive | stretchy tissue | the two halves of the lower jaw | | | | | vn mix-22.1-2-1 «NP V NP»: agent=Agent subject=Patient | | 3 | **unhinge** | present | Snakes *= snake* | Snakes's jaws | | | | | vn disassemble-23.3 «NP V NP»: agent=Agent jaw=Patient | | 4 | **is a** | present | the idea | a myth | | | | | 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](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:030-snakes-and-lizards.lesson:7`. **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): R2-punct-next ×1, R5-strong ×1, 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: [Snakes and lizards, 6](https://md.mova.elamur.ai/free/en/corpora/school/biology/30-snakes-and-lizards/6/) - next →: [Snakes and lizards, 8](https://md.mova.elamur.ai/free/en/corpora/school/biology/30-snakes-and-lizards/8/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/30-snakes-and-lizards/)