Olympiad: everyday chemistry detectives ★★★, sentence 9

Silver turns black from sulphur gases, which eggs give off; gold hardly ever tarnishes, and copper slowly grows a green coat called patina.

Who acts: Silver, eggs, gold, copper, green coat · What happens: turn, give off, tarnish, grow, call · To what, where: sulphur gases, green coat, patina · Speech: someone speaks here

This is a sentence of the lesson «Olympiad: everyday chemistry detectives ★★★» 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 (Silver, eggs, gold, copper), 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	Silver	silver	NOUN	Number=Sing	2 turns	nsubj
2	turns	turn	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	black	black	ADJ	Degree=Pos	2 turns	xcomp
4	from	from	ADP	_	6 gases	case
5	sulphur	sulphur	NOUN	Number=Sing	6 gases	compound
6	gases	gas	NOUN	Number=Plur	2 turns	obl
7	,	,	PUNCT	_	10 give	punct
8	which	which	PRON	PronType=Rel	10 give	obj
9	eggs	egg	NOUN	Number=Plur	10 give	nsubj
10	give	give	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 gases	acl:relcl
11	off	off	ADP	_	10 give	compound:prt
12	;	;	PUNCT	_	16 tarnishes	punct
13	gold	gold	NOUN	Number=Sing	16 tarnishes	nsubj
14	hardly	hardly	ADV	_	16 tarnishes	advmod
15	ever	ever	ADV	PronType=Ind	16 tarnishes	advmod
16	tarnishes	tarnish	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 turns	conj
17	,	,	PUNCT	_	21 grows	punct
18	and	and	CCONJ	_	21 grows	cc
19	copper	copper	NOUN	Number=Sing	21 grows	nsubj
20	slowly	slowly	ADV	_	21 grows	advmod
21	grows	grow	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 turns	conj
22	a	a	DET	Definite=Ind PronType=Art	24 coat	det
23	green	green	ADJ	Degree=Pos	24 coat	amod
24	coat	coat	NOUN	Number=Sing	21 grows	obj
25	called	call	VERB	Tense=Past VerbForm=Part Voice=Pass	24 coat	acl
26	patina	patina	NOUN	Number=Sing	25 called	xcomp
27	.	.	PUNCT	_	2 turns	punct

Pragmatics

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

#	verb	tense, mood	who	what, whom	where	when	other	roles by
1	turn	present	Silver		sulphur gases		black property	vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme from gas=Trajectory
2	give off	present	eggs	sulphur gases				vn substance_emission-43.4 «NP V NP»: agent=Source which=Theme
3	tarnish	present	gold			ever	hardly property	vn entity_specific_cos-45.5 «NP.patient V»: agent=Patient
4	grow	present	copper	a green coat			slowly property	vn appear-48.1.1 «PP.location V NP»: agent=Location coat=Theme
5	call	participle	a green coat not said here	patina				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:chemistry:037-olympiad-everyday-chemistry-detectives.lesson:9.

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): R3-conj-first ×1, R5-strong ×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/chemistry/37-olympiad-everyday-chemistry-detectives/9/