Wolves and dogs, sentence 8

Wolves returned to Yellowstone National Park in 1995 after about 70 years; elk grazed less by the rivers, trees grew back and beavers returned, a chain called a trophic cascade.

Who acts: Wolves, elk, trees, beavers, chain · What happens: return, graze, grow back, call · To what, where: Yellowstone Park, 1995, trophic cascade · Speech: someone speaks here

This is a sentence of the lesson «Wolves and dogs» 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 (Wolves, elk, trees, beavers), 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	Wolves	wolf	NOUN	Number=Plur	2 returned	nsubj
2	returned	return	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
3	to	to	ADP	_	6 Park	case
4	Yellowstone	Yellowstone	PROPN	Number=Sing	6 Park	compound
5	National	National	PROPN	Number=Sing	4 Yellowstone	flat
6	Park	Park	PROPN	Number=Sing	2 returned	obl
7	in	in	ADP	_	8 1995	case
8	1995	1995	NUM	NumForm=Digit NumType=Card	2 returned	obl
9	after	after	ADP	_	12 years	case
10	about	about	ADV	_	11 70	advmod
11	70	70	NUM	NumForm=Digit NumType=Card	12 years	nummod
12	years	year	NOUN	Number=Plur	2 returned	obl
13	;	;	PUNCT	_	14 elk	punct
14	elk	elk	NOUN	Number=Plur	15 grazed	nsubj
15	grazed	graze	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	2 returned	parataxis
16	less	less	ADV	Degree=Cmp	15 grazed	advmod
17	by	by	ADP	_	19 rivers	case
18	the	the	DET	Definite=Def PronType=Art	19 rivers	det
19	rivers	river	NOUN	Number=Plur	15 grazed	obl
20	,	,	PUNCT	_	22 grew	punct
21	trees	tree	NOUN	Number=Plur	22 grew	nsubj
22	grew	grow	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	2 returned	conj
23	back	back	ADV	_	22 grew	advmod
24	and	and	CCONJ	_	26 returned	cc
25	beavers	beaver	NOUN	Number=Plur	26 returned	nsubj
26	returned	return	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	22 grew	conj
27	,	,	PUNCT	_	29 chain	punct
28	a	a	DET	Definite=Ind PronType=Art	29 chain	det
29	chain	chain	NOUN	Number=Sing	26 returned	nsubj
30	called	call	VERB	Tense=Past VerbForm=Part Voice=Pass	29 chain	acl
31	a	a	DET	Definite=Ind PronType=Art	33 cascade	det
32	trophic	trophic	ADJ	Degree=Pos	33 cascade	amod
33	cascade	cascade	NOUN	Number=Sing	30 called	xcomp
34	.	.	PUNCT	_	2 returned	punct

Pragmatics

form: statement
act: narrate
voice: narrator
polarity: none
teacher: changed act=narrate

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	return	past	Wolves		Yellowstone Park	1995	year		vn convert-26.6.2-1 «NP V S_ING»: agent=Patient to park=Result
2	graze	past	elk					by the rivers; less property	vn dine-39.5 «NP V»: agent=Agent
3	grow back	past	trees						vn appear-48.1.1 «NP V»: agent=Theme
4	return	past	beavers						vn escape-51.1-1 «NP V»: agent=Theme
5	call	participle	a chain not said here	a trophic cascade					vn initiate_communication-37.4.2-1 «NP V»: agent=Agent

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:024-wolves-and-dogs.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): R5-strong ×2, R6-punct-agree ×1, R7-rel-agree ×2. 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/24-wolves-and-dogs/8/