Test 11 · ★★★ · Unusual pets: stick insects, giant snails, ant farms and h…

Why would a snail with only a few big teeth have trouble?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: snail · What happens: have · To what, where: trouble

This is test 11 · ★★★ of lesson 330 «Unusual pets: stick insects, giant snails, ant farms and hermit crabs» 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	Why	why	ADV	PronType=Int	11 have	advmod
2	would	would	AUX	VerbForm=Fin	11 have	aux
3	a	a	DET	Definite=Ind PronType=Art	4 snail	det
4	snail	snail	NOUN	Number=Sing	11 have	nsubj
5	with	with	ADP	_	10 teeth	case
6	only	only	ADV	_	10 teeth	advmod
7	a	a	DET	Definite=Ind PronType=Art	10 teeth	det
8	few	few	ADJ	Degree=Pos	10 teeth	amod
9	big	big	ADJ	Degree=Pos	10 teeth	amod
10	teeth	tooth	NOUN	Number=Plur	4 snail	nmod
11	have	have	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
12	trouble	trouble	NOUN	Number=Sing	11 have	obj
13	?	?	PUNCT	_	11 have	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	have	would	a snail with a few big teeth	trouble					vn birth-28.2-1 «NP V NP»: agent=Agent trouble=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.

The options

Option 1 · ← Mova's choice · ✓ the right answer

Its teeth wear down, so thousands of small ones replaced in rows work better

The tree, 14 words

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	3 wear	nsubj
3	wear	wear	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	down	down	ADP	_	3 wear	compound:prt
5	,	,	PUNCT	_	14 work	punct
6	so	so	ADV	_	14 work	advmod
7	thousands	thousand	NOUN	Number=Plur	14 work	nsubj
8	of	of	ADP	_	10 ones	case
9	small	small	ADJ	Degree=Pos	10 ones	amod
10	ones	one	NOUN	Number=Plur	7 thousands	nmod
11	replaced	replace	VERB	Tense=Past VerbForm=Part Voice=Pass	10 ones	acl
12	in	in	ADP	_	13 rows	case
13	rows	row	NOUN	Number=Plur	11 replaced	obl
14	work	work	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 wear	conj
15	better	well	ADV	Degree=Cmp	14 work	advmod

#	verb	tense, mood	who	what, whom	where	other	roles by
1	wear down	present	Its teeth				vn wipe_manner-10.4.1-1 «NP V PP-Conative»: agent=Agent
2	replace	participle		small ones not said here	rows		vn substitute-13.6.2-1 «NP V PP.co-theme»: agent=Theme
3	work	present	thousands of small ones			well property	vn employment-95.3 «NP V»: agent=Agent

Option 2

A few big teeth would let it chew through metal and stone, which would hurt it

The tree, 16 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	4 teeth	det
2	few	few	ADJ	Degree=Pos	4 teeth	amod
3	big	big	ADJ	Degree=Pos	4 teeth	amod
4	teeth	tooth	NOUN	Number=Plur	6 let	nsubj
5	would	would	AUX	VerbForm=Fin	6 let	aux
6	let	let	VERB	VerbForm=Inf	root	root
7	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	6 let	obj
8	chew	chew	VERB	VerbForm=Inf	6 let	xcomp
9	through	through	ADP	_	10 metal	case
10	metal	metal	NOUN	Number=Sing	8 chew	obl
11	and	and	CCONJ	_	12 stone	cc
12	stone	stone	NOUN	Number=Sing	10 metal	conj
13	,	,	PUNCT	_	16 hurt	punct
14	which	which	PRON	PronType=Rel	16 hurt	nsubj
15	would	would	AUX	VerbForm=Fin	16 hurt	aux
16	hurt	hurt	VERB	VerbForm=Inf	6 let	conj
17	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	16 hurt	obj

#	verb	tense, mood	who	what, whom	where	roles by
1	let	would	a few big teeth	it		tree rules
2	chew	infinitive			metal and stone	vn chew-39.2 «NP V»: agent=Agent
3	hurt	would		stone		vn hurt-40.8.3-2 «NP V NP»: agent=Experiencer it=Patient

Option 3

Big teeth would make it too fast

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Big	big	ADJ	Degree=Pos	2 teeth	amod
2	teeth	tooth	NOUN	Number=Plur	4 make	nsubj
3	would	would	AUX	VerbForm=Fin	4 make	aux
4	make	make	VERB	VerbForm=Inf	root	root
5	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	4 make	obj
6	too	too	ADV	_	7 fast	advmod
7	fast	fast	ADV	Degree=Pos	4 make	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	would	Big teeth	it				fast property	vn build-26.1-1 «NP.asset V NP»: agent=Asset it=Product

Option 4

Snails do not need to eat at all

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Snails	snail	NOUN	Number=Plur	4 need	nsubj
2	do	do	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 need	aux
3	not	not	PART	Polarity=Neg	4 need	advmod
4	need	need	VERB	VerbForm=Inf	root	root
5	to	to	PART	_	6 eat	mark
6	eat	eat	VERB	VerbForm=Inf	4 need	xcomp
7	at	at	ADP	_	8 all	case
8	all	all	DET	PronType=Tot	6 eat	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not need	present · do-support	Snails						vn want-32.1-1-1 «NP V NP S_INF»: agent=Pivot clause=Theme
2	eat not said to happen	to-infinitive	Snails not said here			all			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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