--- title: Snakes swallow prey whole; their lower jaw is in two halves joined b… — The reptile house: snakes · tree and pragmatics description: Snakes swallow prey whole; their lower jaw is in two halves joined by stretchy tissue, so the jaws stretch rather than coming «unhinged». Who acts: Snakes, lower jaw, jaws. A sentence of the lesson «The reptile house: snakes» of the biology course of Mova's primary school with its dependency tree an --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/87-reptile-house-snakes/8/) [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/) / [The reptile house: snakes](https://md.mova.elamur.ai/free/en/corpora/school/biology/87-reptile-house-snakes/) / 8 # The reptile house: snakes, sentence 8 Snakes swallow prey whole; their lower jaw is in two halves joined by stretchy tissue, so the jaws stretch rather than coming «unhinged». **Who acts:** Snakes, lower jaw, jaws · **What happens:** swallow, be, join, stretch, come · **To what, where:** prey, two halves This is a sentence of the lesson «The reptile house: snakes» 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, lower jaw, jaws), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:087-reptile-house-snakes.lesson:8 # text = Snakes swallow prey whole; their lower jaw is in two halves joined by stretchy tissue, so the jaws stretch rather than coming «unhinged». # source = school lesson (ours) # course = biology # lesson = 087-reptile-house-snakes.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): R6-punct-agree ×1, R7-rel-agree ×2, R8-pos-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 21 parataxis _ _ 3 prey prey NOUN NN Number=Sing 2 obj _ _ 4 whole whole ADJ JJ Degree=Pos 2 xcomp _ Agree=R7-rel-agree|Haiku=2:advmod|HaikuPos=ADV:RB:_ 5 ; ; PUNCT : _ 2 punct _ _ 6 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 8 nmod:poss _ _ 7 lower low ADJ JJR Degree=Cmp 8 amod _ _ 8 jaw jaw NOUN NN Number=Sing 12 nsubj _ _ 9 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 12 cop _ _ 10 in in ADP IN _ 12 case _ _ 11 two two NUM CD NumForm=Word|NumType=Card 12 nummod _ _ 12 halves half NOUN NNS Number=Plur 2 parataxis _ _ 13 joined join VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 12 acl _ _ 14 by by ADP IN _ 16 case _ _ 15 stretchy stretchy ADJ JJ Degree=Pos 16 amod _ _ 16 tissue tissue NOUN NN Number=Sing 13 obl _ _ 17 , , PUNCT , _ 21 punct _ _ 18 so so ADV RB _ 21 advmod _ _ 19 the the DET DT Definite=Def|PronType=Art 20 det _ _ 20 jaws jaw NOUN NNS Number=Plur 21 nsubj _ _ 21 stretch stretch VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 22 rather rather ADV RB _ 21 advmod _ _ 23 than than SCONJ IN _ 24 mark _ _ 24 coming come VERB VBG Tense=Pres|VerbForm=Part 21 conj _ Agree=R7-rel-agree|Haiku=21:advcl 25 « « PUNCT `` _ 26 punct _ _ 26 unhinged unhinge ADJ JJ Degree=Pos 24 xcomp _ Agree=R8-pos-agree|Haiku=24:xcomp|HaikuPos=VERB:VBN:Tense=Past|VerbForm=Part|Voice=Pass 27 » » PUNCT '' _ 26 punct _ _ 28 . . PUNCT . _ 2 punct _ Agree=R6-punct-agree|Haiku=21:punct ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **swallow** | present | Snakes | prey | | | | whole *property* | vn gobble-39.3 «NP V NP»: agent=Agent prey=Patient | | 2 | **is** | present | eyes's lower jaw | | | two halves | | | tree rules | | 3 | **join** | participle | | two halves *not said here* | | | | by stretchy tissue | vn mix-22.1-2-1 «NP V»: agent=Patient | | 4 | **stretch** | present | the jaws | | | | | | vn bend-45.2 «NP.patient V»: agent=Patient | | 5 | **come** | gerund | the jaws *not said here* | | | | | unhinge *property* | vn escape-51.1-1 «NP V»: agent=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:087-reptile-house-snakes.lesson:8`. **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): R6-punct-agree ×1, R7-rel-agree ×2, R8-pos-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: [The reptile house: snakes, 7](https://md.mova.elamur.ai/free/en/corpora/school/biology/87-reptile-house-snakes/7/) - next →: [The reptile house: snakes, 9](https://md.mova.elamur.ai/free/en/corpora/school/biology/87-reptile-house-snakes/9/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/87-reptile-house-snakes/)