Defences: venom in snakes, jellyfish, scorpions and the platypus, sentence 6

Venomous snakes use venom mainly to catch and kill prey and to defend themselves, and only about one in seven kinds of snake is dangerous to people.

Who acts: Venomous snakes, one · What happens: use, catch, kill, defend, be · To what, where: venom, prey, sting

This is a sentence of the lesson «Defences: venom in snakes, jellyfish, scorpions and the platypus» 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 (Venomous snakes, one), what happens, when and where, as Mova's frames read it from the tree.

The tree

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Venomous	venomous	ADJ	Degree=Pos	2 snakes	amod
2	snakes	snake	NOUN	Number=Plur	3 use	nsubj
3	use	use	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	venom	venom	NOUN	Number=Sing	3 use	obj
5	mainly	mainly	ADV	_	3 use	advmod
6	to	to	PART	_	7 catch	mark
7	catch	catch	VERB	VerbForm=Inf	3 use	advcl
8	and	and	CCONJ	_	9 kill	cc
9	kill	kill	VERB	VerbForm=Inf	7 catch	conj
10	prey	prey	NOUN	Number=Sing	9 kill	obj
11	and	and	CCONJ	_	13 defend	cc
12	to	to	PART	_	13 defend	mark
13	defend	defend	VERB	VerbForm=Inf	7 catch	conj
14	themselves	themselves	PRON	Case=Acc Number=Plur Person=3 PronType=Prs Reflex=Yes	13 defend	obj
15	,	,	PUNCT	_	26 dangerous	punct
16	and	and	CCONJ	_	26 dangerous	cc
17	only	only	ADV	_	19 one	advmod
18	about	about	ADV	_	19 one	advmod
19	one	one	NUM	NumForm=Word NumType=Card	26 dangerous	nsubj
20	in	in	ADP	_	22 kinds	case
21	seven	seven	NUM	NumForm=Word NumType=Card	22 kinds	nummod
22	kinds	kind	NOUN	Number=Plur	19 one	nmod
23	of	of	ADP	_	24 snake	case
24	snake	snake	NOUN	Number=Sing	22 kinds	nmod
25	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	26 dangerous	cop
26	dangerous	dangerous	ADJ	Degree=Pos	3 use	conj
27	to	to	ADP	_	28 people	case
28	people	people	NOUN	Number=Plur	26 dangerous	obl
29	.	.	PUNCT	_	3 use	punct

Pragmatics

No stored speech act for this sentence.

#	verb	tense, mood	who	what, whom	other	roles by
1	use	present	Venomous snakes	venom	mainly property	vn eat-39.1 «NP V NP»: agent=Agent venom=Patient
2	catch	to-infinitive	Venomous snakes not said here			vn get-13.5.1 «NP V NP»: agent=Agent
3	kill	infinitive	Venomous snakes not said here	prey		vn remove-10.1 «NP V NP»: agent=Agent prey=Theme
4	defend	to-infinitive	Venomous snakes not said here	sting		vn defend-72.3 «NP V NP»: agent=Agent themselves=Beneficiary
5	is	present	one in seven kinds of snake		to people; dangerous property	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, 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:246-defences-venom-in-snakes-jellyfish-scorpions-and-the-platypus.lesson:6.

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): R1-cc-next ×3, R3-conj-first ×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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/biology/246-defences-venom-in-snakes-jellyfish-scorpions-and-the-platypus/6/