Test 6 · ★ · Rodents: the biggest group of mammals and their ever-growi…

What would happen to a pet hamster kept with only soft food and nothing to gnaw?

Mova's choice: option 2 · The right answer: option 4 · wrong ✗ · What happens: happen, keep, gnaw · To what, where: pet hamster

This is test 6 · ★ of lesson 316 «Rodents: the biggest group of mammals and their ever-growing teeth» of the biology 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	What	what	PRON	PronType=Int	3 happen	nsubj
2	would	would	AUX	VerbForm=Fin	3 happen	aux
3	happen	happen	VERB	VerbForm=Inf	root	root
4	to	to	ADP	_	7 hamster	case
5	a	a	DET	Definite=Ind PronType=Art	7 hamster	det
6	pet	pet	NOUN	Number=Sing	7 hamster	compound
7	hamster	hamster	NOUN	Number=Sing	3 happen	obl
8	kept	keep	VERB	Tense=Past VerbForm=Part Voice=Pass	7 hamster	acl
9	with	with	ADP	_	12 food	case
10	only	only	ADV	_	12 food	advmod
11	soft	soft	ADJ	Degree=Pos	12 food	amod
12	food	food	NOUN	Number=Sing	8 kept	obl
13	and	and	CCONJ	_	14 nothing	cc
14	nothing	nothing	PRON	Number=Sing PronType=Neg	12 food	conj
15	to	to	PART	_	16 gnaw	mark
16	gnaw	gnaw	VERB	VerbForm=Inf	14 nothing	acl
17	?	?	PUNCT	_	3 happen	punct

#	verb	tense, mood	what, whom	other	roles by
1	happen	would		to a pet hamster	vn occur-48.3-1 «NP V»: agent=Theme
2	keep	participle	a pet hamster not said here	with soft food	vn keep-15.2 «NP V NP»: agent=Agent
3	gnaw	to-infinitive			vn chew-39.2 «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.

The options

Option 1

It would grow extra legs

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	It	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	3 grow	nsubj
2	would	would	AUX	VerbForm=Fin	3 grow	aux
3	grow	grow	VERB	VerbForm=Inf	root	root
4	extra	extra	ADJ	Degree=Pos	5 legs	amod
5	legs	leg	NOUN	Number=Plur	3 grow	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	grow	would	It	extra legs					vn appear-48.1.1 «PP.location V NP»: agent=Location leg=Theme

Option 2 · ← Mova's choice

Nothing, because a hamster's teeth stop growing once it lives in a cage

The tree, 14 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Nothing	nothing	PRON	Number=Sing PronType=Neg	12 lives	nsubj
2	,	,	PUNCT	_	8 stop	punct
3	because	because	SCONJ	_	8 stop	mark
4	a	a	DET	Definite=Ind PronType=Art	5 hamster	det
5	hamster	hamster	NOUN	Number=Sing	7 teeth	nmod:poss
6	's	's	PART	_	5 hamster	case
7	teeth	tooth	NOUN	Number=Plur	8 stop	nsubj
8	stop	stop	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	1 Nothing	conj
9	growing	grow	VERB	VerbForm=Ger	8 stop	xcomp
10	once	once	SCONJ	_	11 it	case
11	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	9 growing	obl
12	lives	live	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
13	in	in	ADP	_	15 cage	case
14	a	a	DET	Definite=Ind PronType=Art	15 cage	det
15	cage	cage	NOUN	Number=Sing	12 lives	obl

#	verb	tense, mood	who	where	other	roles by
1	stop	present	a hamster's teeth			vn stop-55.4-1-1 «NP V S_ING»: agent=Affector clause=Eventuality
2	grow	gerund	a hamster's teeth not said here		once hamster	vn appear-48.1.1 «NP V»: agent=Theme
3	live	present	Nothing	a cage		vn lodge-46 «NP V PP.location»: agent=Theme in cage=Location

Option 3

Its teeth would fall out and never come back

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	2 teeth	nmod:poss
2	teeth	tooth	NOUN	Number=Plur	4 fall	nsubj
3	would	would	AUX	VerbForm=Fin	4 fall	aux
4	fall	fall	VERB	VerbForm=Inf	root	root
5	out	out	ADV	_	4 fall	advmod
6	and	and	CCONJ	_	8 come	cc
7	never	never	ADV	PronType=Neg	8 come	advmod
8	come	come	VERB	VerbForm=Inf	4 fall	conj
9	back	back	ADV	_	8 come	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	fall out	would	Its teeth					out property	vn occur-48.3 «NP V»: agent=Theme
2	not come back	infinitive	Its teeth not said here						vn escape-51.1-1 «NP V»: agent=Theme

Option 4 · ✓ the right answer

Its front teeth could grow too long and stop it eating

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	3 teeth	nmod:poss
2	front	front	ADJ	Degree=Pos	3 teeth	amod
3	teeth	tooth	NOUN	Number=Plur	5 grow	nsubj
4	could	could	AUX	VerbForm=Fin	5 grow	aux
5	grow	grow	VERB	VerbForm=Inf	root	root
6	too	too	ADV	_	7 long	advmod
7	long	long	ADJ	Degree=Pos	5 grow	xcomp
8	and	and	CCONJ	_	9 stop	cc
9	stop	stop	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	5 grow	conj
10	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	9 stop	obj
11	eating	eat	VERB	VerbForm=Ger	9 stop	xcomp

#	verb	tense, mood	who	what, whom	other	roles by
1	grow	could	Its front teeth		long property	vn appear-48.1.1 «NP V»: agent=Theme
2	stop	present	Its front teeth not said here	it		tree rules
3	eat	gerund	Its front teeth not said here			vn eat-39.1-1 «NP V»: agent=Agent

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.

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