Changes you can undo and changes you can't, sentence 11

Toast turns brown because sugars and proteins react into new substances; burnt toast is black because it has partly turned into carbon.

Who acts: Toast, sugars, burnt toast · What happens: turn, react, burn, be · To what, where: new substances, carbon

This is a sentence of the lesson «Changes you can undo and changes you can't» of the chemistry 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 (Toast, sugars, burnt toast), 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	Toast	toast	NOUN	Number=Sing	2 turns	nsubj
2	turns	turn	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	brown	brown	ADJ	Degree=Pos	2 turns	xcomp
4	because	because	SCONJ	_	8 react	mark
5	sugars	sugar	NOUN	Number=Plur	8 react	nsubj
6	and	and	CCONJ	_	7 proteins	cc
7	proteins	protein	NOUN	Number=Plur	5 sugars	conj
8	react	react	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	2 turns	advcl
9	into	into	ADP	_	11 substances	case
10	new	new	ADJ	Degree=Pos	11 substances	amod
11	substances	substance	NOUN	Number=Plur	8 react	obl
12	;	;	PUNCT	_	16 black	punct
13	burnt	burn	VERB	Tense=Past VerbForm=Part Voice=Pass	14 toast	amod
14	toast	toast	NOUN	Number=Sing	16 black	nsubj
15	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	16 black	cop
16	black	black	ADJ	Degree=Pos	2 turns	parataxis
17	because	because	SCONJ	_	21 turned	mark
18	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	21 turned	nsubj
19	has	have	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	21 turned	aux
20	partly	partly	ADV	_	21 turned	advmod
21	turned	turn	VERB	Tense=Past VerbForm=Part	16 black	advcl
22	into	into	ADP	_	23 carbon	case
23	carbon	carbon	NOUN	Number=Sing	21 turned	obl
24	.	.	PUNCT	_	2 turns	punct

Pragmatics

form: statement
act: assert
voice: narrator
polarity: none
teacher: kept the draft

#	verb	tense, mood	who	where	other	roles by
1	turn	present	Toast		brown property	vn roll-51.3.1 «NP.theme V»: agent=Theme
2	react	present	sugars and proteins	new substances		vn respond-113 «NP V»: agent=Agent
3	burn	participle				vn light_emission-43.1 «NP V»: agent=Theme
4	is	present	burnt toast		black property	tree rules
5	turn	present · perfect	Toast	carbon	partly property	vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into carbon=Trajectory

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:chemistry:009-changes-you-can-and-cannot-undo.lesson:11.

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, 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/chemistry/9-changes-you-can-and-cannot-undo/11/