Mirrors, rainbows and the blue sky, sentence 14

Sunsets are orange and red because sunlight crosses far more air, and most of the blue is scattered away on the way, and dust in the air, such as after a big volcano erupts, scatters away even more blue.

Who acts: Sunsets, sunlight, big volcano, dust · What happens: be, cross, scatter away, erupt · To what, where: more air, most, way, more

This is a sentence of the lesson «Mirrors, rainbows and the blue sky» of the physics 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 (Sunsets, sunlight, big volcano, dust), 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	Sunsets	sunset	NOUN	Number=Plur	3 orange	nsubj
2	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 orange	cop
3	orange	orange	ADJ	Degree=Pos	root	root
4	and	and	CCONJ	_	5 red	cc
5	red	red	ADJ	Degree=Pos	3 orange	conj
6	because	because	SCONJ	_	8 crosses	mark
7	sunlight	sunlight	NOUN	Number=Sing	8 crosses	nsubj
8	crosses	cross	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 orange	advcl
9	far	far	ADV	Degree=Pos	10 more	advmod
10	more	more	ADJ	Degree=Cmp	11 air	amod
11	air	air	NOUN	Number=Sing	8 crosses	obj
12	,	,	PUNCT	_	19 scattered	punct
13	and	and	CCONJ	_	19 scattered	cc
14	most	most	ADJ	Degree=Sup	19 scattered	nsubj:pass
15	of	of	ADP	_	17 blue	case
16	the	the	DET	Definite=Def PronType=Art	17 blue	det
17	blue	blue	NOUN	Number=Sing	14 most	nmod
18	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	19 scattered	aux:pass
19	scattered	scatter	VERB	Tense=Past VerbForm=Part Voice=Pass	3 orange	conj
20	away	away	ADV	_	19 scattered	advmod
21	on	on	ADP	_	23 way	case
22	the	the	DET	Definite=Def PronType=Art	23 way	det
23	way	way	NOUN	Number=Sing	19 scattered	obl
24	,	,	PUNCT	_	39 scatters	punct
25	and	and	CCONJ	_	26 dust	cc
26	dust	dust	NOUN	Number=Sing	39 scatters	nsubj
27	in	in	ADP	_	29 air	case
28	the	the	DET	Definite=Def PronType=Art	29 air	det
29	air	air	NOUN	Number=Sing	26 dust	nmod
30	,	,	PUNCT	_	37 erupts	punct
31	such	such	ADJ	Degree=Pos ExtPos=SCONJ	37 erupts	mark
32	as	as	ADP	_	31 such	fixed
33	after	after	SCONJ	_	37 erupts	mark
34	a	a	DET	Definite=Ind PronType=Art	36 volcano	det
35	big	big	ADJ	Degree=Pos	36 volcano	amod
36	volcano	volcano	NOUN	Number=Sing	37 erupts	nsubj
37	erupts	erupt	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	26 dust	advcl
38	,	,	PUNCT	_	37 erupts	punct
39	scatters	scatter	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 orange	conj
40	away	away	ADV	_	39 scatters	advmod
41	even	even	ADV	_	42 more	advmod
42	more	more	ADJ	Degree=Cmp	39 scatters	obj
43	blue	blue	ADJ	Degree=Pos	42 more	amod
44	.	.	PUNCT	_	3 orange	punct

Pragmatics

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

#	verb	tense, mood	who	what, whom	where	other	roles by
1	is	present	Sunsets			orange property	tree rules
2	be		Sunsets not said here				tree rules
3	cross	present	sunlight	more air			vn crane-40.3.2 «NP V NP»: agent=Agent air=Patient
4	scatter away	present · passive		most of the blue	the way	away property	vn spray-9.7-1 «NP V NP PP.destination»: subject=Theme on way=Destination
5	erupt	present	a big volcano				vn appear-48.1.1 «NP V»: agent=Theme
6	scatter away	present	dust in the air	more		away property	vn spray-9.7-1 «NP V NP.theme»: agent=Agent more=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:physics:021-mirrors-rainbows-and-the-blue-sky.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): R3-conj-first ×1, R5-strong ×1, R6-punct-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/physics/21-mirrors-rainbows-and-the-blue-sky/14/