Teeth: enamel, sugar, holes, brushing and the dentist, sentence 5

Enamel, the outer layer of a tooth, is the hardest material in the human body, harder than bone, but acid can soften it, and lost enamel cannot grow back.

Who acts: Enamel, acid, lost enamel · What happens: be, soften, lose, not grow back · To what, where: hardest material, human body, bone

This is a sentence of the lesson «Teeth: enamel, sugar, holes, brushing and the dentist» 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 (Enamel, acid, lost enamel), 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	Enamel	enamel	PROPN	Number=Sing	13 material	nsubj
2	,	,	PUNCT	_	5 layer	punct
3	the	the	DET	Definite=Def PronType=Art	5 layer	det
4	outer	outer	ADJ	Degree=Pos	5 layer	amod
5	layer	layer	NOUN	Number=Sing	1 Enamel	appos
6	of	of	ADP	_	8 tooth	case
7	a	a	DET	Definite=Ind PronType=Art	8 tooth	det
8	tooth	tooth	NOUN	Number=Sing	5 layer	nmod
9	,	,	PUNCT	_	1 Enamel	punct
10	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	13 material	cop
11	the	the	DET	Definite=Def PronType=Art	13 material	det
12	hardest	hard	ADJ	Degree=Sup	13 material	amod
13	material	material	NOUN	Number=Sing	root	root
14	in	in	ADP	_	17 body	case
15	the	the	DET	Definite=Def PronType=Art	17 body	det
16	human	human	ADJ	Degree=Pos	17 body	amod
17	body	body	NOUN	Number=Sing	13 material	nmod
18	,	,	PUNCT	_	19 harder	punct
19	harder	hard	ADJ	Degree=Cmp	13 material	amod
20	than	than	ADP	_	21 bone	case
21	bone	bone	NOUN	Number=Sing	19 harder	obl
22	,	,	PUNCT	_	26 soften	punct
23	but	but	CCONJ	_	26 soften	cc
24	acid	acid	NOUN	Number=Sing	26 soften	nsubj
25	can	can	AUX	VerbForm=Fin	26 soften	aux
26	soften	soften	VERB	VerbForm=Inf	19 harder	parataxis
27	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	26 soften	obj
28	,	,	PUNCT	_	34 grow	punct
29	and	and	CCONJ	_	34 grow	cc
30	lost	lose	VERB	Tense=Past VerbForm=Part Voice=Pass	31 enamel	amod
31	enamel	enamel	NOUN	Number=Sing	34 grow	nsubj
32	can	can	AUX	VerbForm=Fin	34 grow	aux
33	not	not	PART	Polarity=Neg	34 grow	advmod
34	grow	grow	VERB	VerbForm=Inf	26 soften	conj
35	back	back	ADV	_	34 grow	advmod
36	.	.	PUNCT	_	13 material	punct

Pragmatics

No stored speech act for this sentence.

#	verb	tense, mood	who	what, whom	where	roles by
1	is a	present	Enamel	the hardest material	the human body	tree rules
2	soften	can	acid	bone		vn other_cos-45.4 «NP V NP.patient»: agent=Agent it=Patient
3	lose	participle				vn succeed-74-3-1 «NP V»: agent=Agent
4	not grow back	can	lost enamel			vn appear-48.1.1 «NP V»: agent=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:352-teeth-enamel-sugar-holes-brushing-and-the-dentist.lesson:5.

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): R8-pos-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/352-teeth-enamel-sugar-holes-brushing-and-the-dentist/5/