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Test 4 · ★ · Leaves, fruit and colour in nature

Grandad says carrots let RAF pilots see in the dark. What's the real story?

Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: Grandad, carrots, RAF pilots, real story · What happens: say, let, see, be · To what, where: RAF pilots, dark · Speech: someone speaks here

This is test 4 · ★ of lesson 28 «Leaves, fruit and colour in nature» 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

Sentence 1: Grandad says carrots let RAF pilots see in the dark.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Grandad	Grandad	PROPN	Number=Sing	2 says	nsubj
2	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	carrots	carrot	NOUN	Number=Plur	4 let	nsubj
4	let	let	VERB	VerbForm=Inf	2 says	ccomp
5	RAF	raf	NOUN	Number=Sing	6 pilots	compound
6	pilots	pilot	NOUN	Number=Plur	4 let	obj
7	see	see	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 let	xcomp
8	in	in	ADP	_	10 dark	case
9	the	the	DET	Definite=Def PronType=Art	10 dark	det
10	dark	dark	NOUN	Number=Sing	7 see	obl
11	.	.	PUNCT	_	2 says	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	say speech: assert	present	Grandad						vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic
2	let	infinitive	carrots	RAF pilots					tree rules
3	see	present	RAF pilots not said here			the dark			vn comprehend-87.2-1-1 «NP V»: agent=Experiencer

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.

Sentence 2: What's the real story?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	root	root
2	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	1 What	cop
3	the	the	DET	Definite=Def PronType=Art	5 story	det
4	real	real	ADJ	Degree=Pos	5 story	amod
5	story	story	NOUN	Number=Sing	1 What	nsubj
6	?	?	PUNCT	_	1 What	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	the real story						tree rules

The options

Option 1

Carrots really did give the pilots night vision

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Carrots	carrot	NOUN	Number=Plur	4 give	nsubj
2	really	really	ADV	_	4 give	advmod
3	did	do	AUX	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	4 give	aux
4	give	give	VERB	VerbForm=Inf	root	root
5	the	the	DET	Definite=Def PronType=Art	6 pilots	det
6	pilots	pilot	NOUN	Number=Plur	4 give	obj
7	night	night	NOUN	Number=Sing	8 vision	compound
8	vision	vision	NOUN	Number=Sing	4 give	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	give	past · do-support	Carrots	the pilots					vn give-13.1-1 «NP V NP-Dative NP»: agent=Agent pilot=Recipient vision=Theme

Option 2

Carrots were the pilots' only food

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Carrots	carrot	NOUN	Number=Plur	4 pilots	nsubj
2	were	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	4 pilots	cop
3	the	the	DET	Definite=Def PronType=Art	4 pilots	det
4	pilots	pilot	NOUN	Number=Plur	root	root
5	'	's	PART	_	4 pilots	case
6	only	only	ADV	_	7 food	advmod
7	food	food	NOUN	Number=Sing	4 pilots	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	past	Carrots					's the pilots and food	tree rules

Option 3 · ← Mova's choice · ✓ the right answer

That story is usually said to have hidden radar

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	That	that	DET	Number=Sing PronType=Dem	2 story	det
2	story	story	NOUN	Number=Sing	5 said	nsubj:pass
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 said	aux:pass
4	usually	usually	ADV	_	5 said	advmod
5	said	say	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
6	to	to	PART	_	7 have	mark
7	have	have	VERB	VerbForm=Inf	5 said	xcomp
8	hidden	hide	VERB	Tense=Past VerbForm=Part Voice=Pass	9 radar	amod
9	radar	radar	NOUN	Number=Sing	7 have	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	say speech: assert	present · passive		that story				usually property	tree rules
2	have	to-infinitive		hidden radar					vn birth-28.2-1 «NP V NP»: agent=Agent radar=Patient
3	hide	participle							vn concealment-16-1 «NP V»: agent=Agent

Option 4

Pilots ate carrots to stay awake

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Pilots	pilot	NOUN	Number=Plur	2 ate	nsubj
2	ate	eat	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
3	carrots	carrot	NOUN	Number=Plur	2 ate	obj
4	to	to	PART	_	5 stay	mark
5	stay	stay	VERB	VerbForm=Inf	2 ate	xcomp
6	awake	awake	ADJ	Degree=Pos	5 stay	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	eat	past	Pilots	carrots					tree rules
2	stay	to-infinitive	Pilots not said here					awake property	vn exist-47.1 «NP V»: agent=Theme

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/28-colour-in-nature/t4/