Test 8 · ★★ · The air we breathe

Why is the air clearer in many cities now than fifty years ago?

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: air · What happens: be · To what, where: many cities

This is test 8 · ★★ of lesson 33 «The air we breathe» of the chemistry course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: the test at school.

The question

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	5 clearer	advmod
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 clearer	cop
3	the	the	DET	Definite=Def PronType=Art	4 air	det
4	air	air	NOUN	Number=Sing	5 clearer	nsubj
5	clearer	clear	ADJ	Degree=Cmp	root	root
6	in	in	ADP	_	8 cities	case
7	many	many	ADJ	Degree=Pos	8 cities	amod
8	cities	city	NOUN	Number=Plur	5 clearer	obl
9	now	now	ADV	PronType=Dem	5 clearer	advmod
10	than	than	ADP	_	9 now	fixed
11	fifty	fifty	NUM	NumForm=Word NumType=Card	12 years	nummod
12	years	year	NOUN	Number=Plur	13 ago	obl:unmarked
13	ago	ago	ADV	_	9 now	advmod
14	?	?	PUNCT	_	5 clearer	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	the air			many cities	now	clear property	tree rules

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.

The options

Option 1 · ← Mova's choice

Fewer trees in the parks

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Fewer	few	ADJ	Degree=Cmp	2 trees	amod
2	trees	tree	NOUN	Number=Plur	root	root
3	in	in	ADP	_	5 parks	case
4	the	the	DET	Definite=Def PronType=Art	5 parks	det
5	parks	park	NOUN	Number=Plur	2 trees	nmod

The frames reader finds no event or fact in this sentence.

Option 2

Stronger summer sunlight

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Stronger	strong	ADJ	Degree=Cmp	3 sunlight	amod
2	summer	summer	NOUN	Number=Sing	3 sunlight	compound
3	sunlight	sunlight	NOUN	Number=Sing	root	root

The frames reader finds no event or fact in this sentence.

Option 3 · ✓ the right answer

Cleaner cars and fuels

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Cleaner	cleaner	NOUN	Number=Sing	2 cars	compound
2	cars	car	NOUN	Number=Plur	root	root
3	and	and	CCONJ	_	4 fuels	cc
4	fuels	fuel	NOUN	Number=Plur	2 cars	conj

The frames reader finds no event or fact in this sentence.

Option 4

More fog rolling in from the sea

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	More	more	ADJ	Degree=Cmp	2 fog	amod
2	fog	fog	NOUN	Number=Sing	root	root
3	rolling	roll	VERB	VerbForm=Ger	2 fog	acl
4	in	in	ADV	_	3 rolling	advmod
5	from	from	ADP	_	7 sea	case
6	the	the	DET	Definite=Def PronType=Art	7 sea	det
7	sea	sea	NOUN	Number=Sing	3 rolling	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	roll in	gerund	More fog not said here			the sea			vn run-51.3.2-2 «NP V PP.location»: agent=Theme from sea=Trajectory

Text: the tests of Mova's primary school, written for Mova (world/data/school/), as the course runner gave them to the student. Trees: Mova's own parse — the en model on the CPU, when the site is built — not checked by a teacher; they may be wrong. Frames: Mova's frames reader (prag), each text read on its own. Elamur Cosmic License.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/33-the-air-we-breathe/t8/