Exam question 3 · Frogs, toads, newts and salamanders

Ascertain the source of toxicity in wild poison dart frogs.

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: you · What happens: ascertain · To what, where: source

This is exam question 3 of lesson 32 «Frogs, toads, newts and salamanders» of the biology course of Mova's primary school, asked in stiff, formal language. 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	Ascertain	ascertain	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	3 source	det
3	source	source	NOUN	Number=Sing	1 Ascertain	obj
4	of	of	ADP	_	5 toxicity	case
5	toxicity	toxicity	NOUN	Number=Sing	3 source	nmod
6	in	in	ADP	_	10 frogs	case
7	wild	wild	ADJ	Degree=Pos	10 frogs	amod
8	poison	poison	NOUN	Number=Sing	9 dart	compound
9	dart	dart	NOUN	Number=Sing	10 frogs	compound
10	frogs	frog	NOUN	Number=Plur	1 Ascertain	obl
11	.	.	PUNCT	_	1 Ascertain	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	ascertain	imperative	you not said here	the source of toxicity				in wild dart frogs	vn discover-84 «NP V NP»: agent=Agent source=Topic

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

Their diet of ants and mites

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	2 diet	nmod:poss
2	diet	diet	NOUN	Number=Sing	root	root
3	of	of	ADP	_	4 ants	case
4	ants	ant	NOUN	Number=Plur	2 diet	nmod
5	and	and	CCONJ	_	6 mites	cc
6	mites	mite	NOUN	Number=Plur	4 ants	conj

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

Option 2

Their bright pigmentation

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	3 pigmentation	nmod:poss
2	bright	bright	ADJ	Degree=Pos	3 pigmentation	amod
3	pigmentation	pigmentation	NOUN	Number=Sing	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	pigment		Their = they						nom pigmentation «process intransitive»: poss=agent

Option 3

The water of their habitat

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 water	det
2	water	water	NOUN	Number=Sing	root	root
3	of	of	ADP	_	5 habitat	case
4	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	5 habitat	nmod:poss
5	habitat	habitat	NOUN	Number=Sing	2 water	nmod

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

Option 4

Exposure to sunlight

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Exposure	exposure	NOUN	Number=Sing	root	root
2	to	to	ADP	_	3 sunlight	case
3	sunlight	sunlight	NOUN	Number=Sing	1 Exposure	nmod

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

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/32-frogs-toads-newts-and-salamanders/e3/