Colours: mixing, the colour wheel, warm and cool, sentence 16

For centuries purple dye was made from sea snails and was extremely expensive, so it became a sign of emperors; cheap purple dyes were invented only in the 1850s.

Who acts: dye · What happens: make, be, become, invent, sign · To what, where: purple dye, sign, cheap purple dyes, 1850s, emperors

This is a sentence of the lesson «Colours: mixing, the colour wheel, warm and cool» of the arts 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 (dye), 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	For	for	ADP	_	2 centuries	case
2	centuries	century	NOUN	Number=Plur	6 made	obl
3	purple	purple	ADJ	Degree=Pos	4 dye	amod
4	dye	dye	NOUN	Number=Sing	6 made	nsubj:pass
5	was	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	6 made	aux:pass
6	made	make	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
7	from	from	ADP	_	9 snails	case
8	sea	sea	NOUN	Number=Sing	9 snails	compound
9	snails	snail	NOUN	Number=Plur	6 made	obl
10	and	and	CCONJ	_	13 expensive	cc
11	was	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	13 expensive	cop
12	extremely	extremely	ADV	_	13 expensive	advmod
13	expensive	expensive	ADJ	Degree=Pos	6 made	conj
14	,	,	PUNCT	_	17 became	punct
15	so	so	ADV	_	17 became	advmod
16	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	17 became	nsubj
17	became	become	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	6 made	parataxis
18	a	a	DET	Definite=Ind PronType=Art	19 sign	det
19	sign	sign	NOUN	Number=Sing	17 became	xcomp
20	of	of	ADP	_	21 emperors	case
21	emperors	emperor	NOUN	Number=Plur	19 sign	nmod
22	;	;	PUNCT	_	25 dyes	punct
23	cheap	cheap	ADJ	Degree=Pos	25 dyes	amod
24	purple	purple	ADJ	Degree=Pos	25 dyes	amod
25	dyes	dye	NOUN	Number=Plur	27 invented	nsubj:pass
26	were	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	27 invented	aux:pass
27	invented	invent	VERB	Tense=Past VerbForm=Part Voice=Pass	17 became	conj
28	only	only	ADV	_	31 1850s	advmod
29	in	in	ADP	_	31 1850s	case
30	the	the	DET	Definite=Def PronType=Art	31 1850s	det
31	1850s	1850	NOUN	Number=Ptan NumForm=Combi NumType=Card	27 invented	obl
32	.	.	PUNCT	_	6 made	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	make	past · passive		purple dye		century	from sea snails	vn build-26.1-1 «NP.asset V PP»: subject=Product from snail=Material
2	is	past					expensive, extremely property	tree rules
3	become	past	dye	a sign of emperors				vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient
4	invent	past · passive		cheap purple dyes	the 1850s			vn create-26.4-1 «NP V NP»: subject=Result
5	sign			emperors				nom sign «communication transitive»: of=patient

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:arts:013-colours-mixing-the-colour-wheel-warm-and-cool.lesson:16.

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. 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/arts/13-colours-mixing-the-colour-wheel-warm-and-cool/16/