Test 10 · ★ · Snakes to keep away from: cobras, mambas, vipers and rattl…

Why does a spitting cobra aim at the eyes and not the legs?

Mova's choice: option 4 · The right answer: option 1 · wrong ✗ · What happens: do, spit · To what, where: spitting cobra aim, eyes

This is test 10 · ★ of lesson 322 «Snakes to keep away from: cobras, mambas, vipers and rattlesnakes» 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	root	root
2	does	do	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	1 Why	conj
3	a	a	DET	Definite=Ind PronType=Art	6 aim	det
4	spitting	spit	VERB	VerbForm=Ger	6 aim	amod
5	cobra	cobra	NOUN	Number=Sing	6 aim	compound
6	aim	aim	NOUN	Number=Sing	2 does	obj
7	at	at	ADP	_	9 eyes	case
8	the	the	DET	Definite=Def PronType=Art	9 eyes	det
9	eyes	eye	NOUN	Number=Plur	6 aim	nmod
10	and	and	CCONJ	_	13 legs	cc
11	not	not	PART	Polarity=Neg	13 legs	advmod
12	the	the	DET	Definite=Def PronType=Art	13 legs	det
13	legs	leg	NOUN	Number=Plur	9 eyes	conj
14	?	?	PUNCT	_	1 Why	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	do	present		a spitting cobra aim		the eyes and the legs			vn act-114-1 «NP V NP»: agent=Agent aim=Eventuality
2	spit	gerund							vn breathe-40.1.2 «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 · ✓ the right answer

Venom in the eyes hurts and blinds an attacker quickly

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Venom	venom	NOUN	Number=Sing	5 hurts	nsubj
2	in	in	ADP	_	4 eyes	case
3	the	the	DET	Definite=Def PronType=Art	4 eyes	det
4	eyes	eye	NOUN	Number=Plur	1 Venom	nmod
5	hurts	hurt	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
6	and	and	CCONJ	_	7 blinds	cc
7	blinds	blind	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 hurts	conj
8	an	a	DET	Definite=Ind PronType=Art	9 attacker	det
9	attacker	attacker	NOUN	Number=Sing	7 blinds	obj
10	quickly	quickly	ADV	_	7 blinds	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	hurt	present	Venom in the eyes						vn amuse-31.1 «NP V ADV-Middle»: agent=Experiencer
2	blind	present	Venom in the eyes not said here	a attacker				quickly property	tree rules

Option 2

Legs are too far for it to see

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Legs	leg	NOUN	Number=Plur	4 far	nsubj
2	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 far	cop
3	too	too	ADV	_	4 far	advmod
4	far	far	ADV	Degree=Pos	root	root
5	for	for	ADP	_	6 it	case
6	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	4 far	obl
7	to	to	PART	_	8 see	mark
8	see	see	VERB	VerbForm=Inf	4 far	advcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	Legs					for it; far property	tree rules
2	see	to-infinitive	Legs not said here						vn comprehend-87.2-1-1 «NP V»: agent=Experiencer

Option 3

It is aiming at the ears really

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 aiming	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 aiming	aux
3	aiming	aim	VERB	Tense=Pres VerbForm=Part	root	root
4	at	at	ADP	_	6 ears	case
5	the	the	DET	Definite=Def PronType=Art	6 ears	det
6	ears	ear	NOUN	Number=Plur	3 aiming	obl
7	really	really	ADV	_	3 aiming	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	aim	present · progressive	It			the ears			vn wish-62 «NP V for NP S_INF»: agent=Pivot

Option 4 · ← Mova's choice

It wants to clean the attacker's eyes

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	2 wants	nsubj
2	wants	want	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	to	to	PART	_	4 clean	mark
4	clean	clean	VERB	VerbForm=Inf	2 wants	xcomp
5	the	the	DET	Definite=Def PronType=Art	6 attacker	det
6	attacker	attacker	NOUN	Number=Sing	8 eyes	nmod:poss
7	's	's	PART	_	6 attacker	case
8	eyes	eye	NOUN	Number=Plur	4 clean	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	want	present	It						vn want-32.1-1-1 «NP V NP S_INF»: agent=Pivot clause=Theme
2	clean not said to happen	to-infinitive		the attacker's eyes					vn other_cos-45.4 «NP V NP.patient»: agent=Agent eye=Patient

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/biology/322-snakes-to-keep-away-from-cobras-mambas-vipers-and-rattlesnakes/t10/