--- title: The scaly-foot snail has a shell and scales made of iron sulfide, th… — Vents and trenches: tubeworms, iron snails, the… · tree and pragmatics description: The scaly-foot snail has a shell and scales made of iron sulfide, the only animal known to build armour from it, which may protect it from crabs and other predators. Who acts: foot snail, armour. A sentence of the lesson «Vents and trenches: tubeworms, iron snails, the Challenger Deep and life witho --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/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/) / [Vents and trenches: tubeworms, iron sn…](https://md.mova.elamur.ai/free/en/corpora/school/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/) / 8 # Vents and trenches: tubeworms, iron snails, the Challenger Deep and life without sunlight, sentence 8 The scaly-foot snail has a shell and scales made of iron sulfide, the only animal known to build armour from it, which may protect it from crabs and other predators. **Who acts:** foot snail, armour · **What happens:** have, make, know, build, protect · **To what, where:** shell, only animal, armour, snail This is a sentence of the lesson «Vents and trenches: tubeworms, iron snails, the Challenger Deep and life without sunlight» 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 (foot snail, armour), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight.lesson:8 # text = The scaly-foot snail has a shell and scales made of iron sulfide, the only animal known to build armour from it, which may protect it from crabs and other predators. # source = school lesson (ours) # course = biology # lesson = 177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight.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): R7-rel-agree ×1 1 The the DET DT Definite=Def|PronType=Art 5 det _ _ 2 scaly scaly ADJ JJ Degree=Pos 4 amod _ _ 3 - - PUNCT HYPH _ 2 punct _ _ 4 foot foot NOUN NN Number=Sing 5 compound _ _ 5 snail snail NOUN NN Number=Sing 6 nsubj _ _ 6 has have VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 7 a a DET DT Definite=Ind|PronType=Art 8 det _ _ 8 shell shell NOUN NN Number=Sing 6 obj _ _ 9 and and CCONJ CC _ 10 cc _ _ 10 scales scale NOUN NNS Number=Plur 8 conj _ _ 11 made make VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 8 acl _ _ 12 of of ADP IN _ 14 case _ _ 13 iron iron NOUN NN Number=Sing 14 compound _ Agree=R7-rel-agree|Haiku=14:amod|HaikuPos=ADJ:JJ:Degree=Pos 14 sulfide sulfide NOUN NN Number=Sing 11 obl _ _ 15 , , PUNCT , _ 18 punct _ _ 16 the the DET DT Definite=Def|PronType=Art 18 det _ _ 17 only only ADJ JJ Degree=Pos 18 amod _ _ 18 animal animal NOUN NN Number=Sing 14 appos _ _ 19 known know VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 18 acl _ _ 20 to to PART TO _ 21 mark _ _ 21 build build VERB VB VerbForm=Inf 19 xcomp _ _ 22 armour armour NOUN NN Number=Sing 21 obj _ _ 23 from from ADP IN _ 24 case _ _ 24 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 21 obl _ _ 25 , , PUNCT , _ 28 punct _ _ 26 which which PRON WDT PronType=Rel 28 nsubj _ _ 27 may may AUX MD VerbForm=Fin 28 aux _ _ 28 protect protect VERB VB VerbForm=Inf 22 acl:relcl _ _ 29 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 28 obj _ _ 30 from from ADP IN _ 31 case _ _ 31 crabs crab NOUN NNS Number=Plur 28 obl _ _ 32 and and CCONJ CC _ 34 cc _ _ 33 other other ADJ JJ Degree=Pos 34 amod _ _ 34 predators predator NOUN NNS Number=Plur 31 conj _ _ 35 . . PUNCT . _ 6 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **have** | present | the foot snail | a shell and scales | | | | | vn birth-28.2-1 «NP V NP»: agent=Agent shell=Patient | | 2 | **make** | participle | | a shell and scales *not said here* | | | | of iron sulfide | vn build-26.1-1 «NP.asset V NP»: agent=Asset | | 3 | **know** | participle | | the only animal *not said here* | | | | | vn comprehend-87.2-1-1-1 «NP V how S\_INF»: agent=Experiencer clause=Stimulus | | 4 | **build** | to-infinitive | | armour | | | | from snail | vn build-26.1-1 «NP.asset V PP»: agent=Asset armour=Product from it=Material | | 5 | **protect** | may | armour | snail | | | | from crabs and other predators | vn defend-72.3 «NP V NP PP.theme»: agent=Agent it=Beneficiary from crab=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:177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight.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): 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: [Vents and trenches: tubeworms, iron sn…, 6](https://md.mova.elamur.ai/free/en/corpora/school/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/6/) - next →: [Vents and trenches: tubeworms, iron sn…, 9](https://md.mova.elamur.ai/free/en/corpora/school/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/9/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/)