Coral reef builders: polyps, bleaching, sand from parrotfish and giant clams, sentence 14

Coral reefs cover less than one percent of the ocean floor but are home to a huge share of sea life, and they protect coasts from waves like natural walls.

Who acts: Coral reefs, astronauts · What happens: cover, be, protect · To what, where: one percent, coasts

This is a sentence of the lesson «Coral reef builders: polyps, bleaching, sand from parrotfish and giant clams» 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 (Coral reefs, astronauts), 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	Coral	coral	NOUN	Number=Sing	2 reefs	compound
2	reefs	reef	NOUN	Number=Plur	3 cover	nsubj
3	cover	cover	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	less	less	ADJ	Degree=Cmp ExtPos=ADV	6 one	advmod
5	than	than	ADP	_	4 less	fixed
6	one	one	NUM	NumForm=Word NumType=Card	7 percent	nummod
7	percent	percent	NOUN	Number=Sing	3 cover	obj
8	of	of	ADP	_	11 floor	case
9	the	the	DET	Definite=Def PronType=Art	11 floor	det
10	ocean	ocean	NOUN	Number=Sing	11 floor	compound
11	floor	floor	NOUN	Number=Sing	7 percent	nmod
12	but	but	CCONJ	_	18 share	cc
13	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	18 share	cop
14	home	home	ADV	_	18 share	advmod
15	to	to	ADP	_	18 share	case
16	a	a	DET	Definite=Ind PronType=Art	18 share	det
17	huge	huge	ADJ	Degree=Pos	18 share	amod
18	share	share	NOUN	Number=Sing	3 cover	conj
19	of	of	ADP	_	21 life	case
20	sea	sea	NOUN	Number=Sing	21 life	compound
21	life	life	NOUN	Number=Sing	18 share	nmod
22	,	,	PUNCT	_	25 protect	punct
23	and	and	CCONJ	_	25 protect	cc
24	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	25 protect	nsubj
25	protect	protect	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 cover	conj
26	coasts	coast	NOUN	Number=Plur	25 protect	obj
27	from	from	ADP	_	28 waves	case
28	waves	wave	NOUN	Number=Plur	25 protect	obl
29	like	like	ADP	_	31 walls	case
30	natural	natural	ADJ	Degree=Pos	31 walls	amod
31	walls	wall	NOUN	Number=Plur	28 waves	nmod
32	.	.	PUNCT	_	3 cover	punct

Pragmatics

No stored speech act for this sentence.

#	verb	tense, mood	who	what, whom	other	roles by
1	cover	present	Coral reefs	one percent of the ocean floor		vn fill-9.8-1 «NP V NP»: agent=Theme percent=Destination
2	is	present	Coral reefs not said here		to a huge share; of sea life; home property	tree rules
3	protect	present	astronauts = astronaut	coasts	from waves like natural walls	vn defend-72.3 «NP V NP PP.theme»: agent=Agent coast=Beneficiary from wave=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, 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:172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams.lesson:14.

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 ×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/172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams/14/