--- title: Giant African land snails can grow shells about 20 cm long and are a… — The rainforest from below: understorey and fores… · tree and pragmatics description: Giant African land snails can grow shells about 20 cm long and are a serious pest outside Africa, so keeping or releasing them is banned in places like the USA. Who acts: Giant African land snails, keeping. A sentence of the lesson «The rainforest from below: understorey and forest floor» of the bio --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/3-the-rainforest-from-below/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/) / [The rainforest from below: understorey…](https://md.mova.elamur.ai/free/en/corpora/school/biology/3-the-rainforest-from-below/) / 18 # The rainforest from below: understorey and forest floor, sentence 18 Giant African land snails can grow shells about 20 cm long and are a serious pest outside Africa, so keeping or releasing them is banned in places like the USA. **Who acts:** Giant African land snails, keeping · **What happens:** grow, be, keep, release, ban · **To what, where:** shells, serious pest, places This is a sentence of the lesson «The rainforest from below: understorey and forest floor» 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 (Giant African land snails, keeping), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:003-the-rainforest-from-below.lesson:18 # text = Giant African land snails can grow shells about 20 cm long and are a serious pest outside Africa, so keeping or releasing them is banned in places like the USA. # source = school lesson (ours) # course = biology # lesson = 003-the-rainforest-from-below.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 Giant giant ADJ JJ Degree=Pos 4 amod _ _ 2 African African ADJ JJ Degree=Pos 4 amod _ _ 3 land land NOUN NN Number=Sing 4 compound _ _ 4 snails snail NOUN NNS Number=Plur 6 nsubj _ _ 5 can can AUX MD VerbForm=Fin 6 aux _ _ 6 grow grow VERB VB VerbForm=Inf 0 root _ _ 7 shells shell NOUN NNS Number=Plur 6 obj _ _ 8 about about ADV RB _ 9 advmod _ _ 9 20 20 NUM CD NumForm=Digit|NumType=Card 10 nummod _ _ 10 cm cm NOUN NNS Number=Plur 11 obl:unmarked _ _ 11 long long ADJ JJ Degree=Pos 7 amod _ _ 12 and and CCONJ CC _ 16 cc _ _ 13 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 16 cop _ _ 14 a a DET DT Definite=Ind|PronType=Art 16 det _ _ 15 serious serious ADJ JJ Degree=Pos 16 amod _ _ 16 pest pest NOUN NN Number=Sing 6 conj _ _ 17 outside outside ADP IN _ 18 case _ _ 18 Africa Africa PROPN NNP Number=Sing 16 nmod _ _ 19 , , PUNCT , _ 26 punct _ _ 20 so so ADV RB _ 26 advmod _ _ 21 keeping keep VERB VBG Tense=Pres|VerbForm=Part 26 csubj:pass _ _ 22 or or CCONJ CC _ 23 cc _ _ 23 releasing release VERB VBG Tense=Pres|VerbForm=Part 21 conj _ _ 24 them they PRON PRP Case=Acc|Number=Plur|Person=3|PronType=Prs 23 obj _ _ 25 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 26 aux:pass _ _ 26 banned ban VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 6 parataxis _ Agree=R7-rel-agree|Haiku=6:conj 27 in in ADP IN _ 28 case _ _ 28 places place NOUN NNS Number=Plur 26 obl _ _ 29 like like ADP IN _ 31 case _ _ 30 the the DET DT Definite=Def|PronType=Art 31 det _ _ 31 USA USA PROPN NNP Number=Sing 28 nmod _ _ 32 . . PUNCT . _ 6 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 | **grow** | can | Giant African land snails | shells | | | | | vn appear-48.1.1 «PP.location V NP»: agent=Location shell=Theme | | 2 | **is a** | present | Giant African land snails *not said here* | a serious pest | | | | outside Africa | tree rules | | 3 | **keep** | gerund | | | | | | | vn keep-15.2 «NP V NP»: agent=Agent | | 4 | **release** | gerund | | shells *= shell* | | | | | vn free-10.6.3-1 «NP V NP S\_ING»: agent=Causer they=Source | | 5 | **ban** | present · passive | keeping | | | places like the USA | | | vn forbid-64.4-1 «NP V S\_ING» | 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:003-the-rainforest-from-below.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): 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: [The rainforest from below: understorey…, 17](https://md.mova.elamur.ai/free/en/corpora/school/biology/3-the-rainforest-from-below/17/) - next →: [The savanna: grass, trees and the grea…, 0](https://md.mova.elamur.ai/free/en/corpora/school/biology/4-the-savanna/0/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/3-the-rainforest-from-below/)