Exam question 2 · Food chains and food webs

Identify the direction indicated by the arrows of a food chain.

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: you · What happens: identify, indicate · To what, where: direction

This is exam question 2 of lesson 26 «Food chains and food webs» of the world 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	Identify	identify	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	3 direction	det
3	direction	direction	NOUN	Number=Sing	1 Identify	obj
4	indicated	indicate	VERB	Tense=Past VerbForm=Part Voice=Pass	3 direction	acl
5	by	by	ADP	_	7 arrows	case
6	the	the	DET	Definite=Def PronType=Art	7 arrows	det
7	arrows	arrow	NOUN	Number=Plur	4 indicated	obl
8	of	of	ADP	_	11 chain	case
9	a	a	DET	Definite=Ind PronType=Art	11 chain	det
10	food	food	NOUN	Number=Sing	11 chain	compound
11	chain	chain	NOUN	Number=Sing	7 arrows	nmod
12	.	.	PUNCT	_	1 Identify	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	identify	imperative	you not said here	the direction					vn characterize-29.2-1-1 «NP V NP S_ING»: agent=Agent direction=Theme
2	indicate	participle		the direction not said here				by the arrows of a food chain	vn indicate-78-1 «NP V how S»: agent=Pivot

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

From the predator to its prey

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	From	from	ADP	_	3 predator	case
2	the	the	DET	Definite=Def PronType=Art	3 predator	det
3	predator	predator	NOUN	Number=Sing	root	root
4	to	to	ADP	_	6 prey	case
5	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	6 prey	nmod:poss
6	prey	prey	NOUN	Number=Sing	3 predator	nmod

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

Option 2

From the largest animal to the smallest

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	From	from	ADP	_	4 animal	case
2	the	the	DET	Definite=Def PronType=Art	4 animal	det
3	largest	large	ADJ	Degree=Sup	4 animal	amod
4	animal	animal	NOUN	Number=Sing	7 smallest	obl
5	to	to	ADP	_	7 smallest	case
6	the	the	DET	Definite=Def PronType=Art	7 smallest	det
7	smallest	small	ADJ	Degree=Sup	root	root

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

Option 3

From the decomposer to the producer

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	From	from	ADP	_	3 decomposer	case
2	the	the	DET	Definite=Def PronType=Art	3 decomposer	det
3	decomposer	decomposer	NOUN	Number=Sing	root	root
4	to	to	ADP	_	6 producer	case
5	the	the	DET	Definite=Def PronType=Art	6 producer	det
6	producer	producer	NOUN	Number=Sing	3 decomposer	nmod

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

Option 4 · ✓ the right answer

From the thing eaten to the thing that eats it

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	From	from	ADP	_	3 thing	case
2	the	the	DET	Definite=Def PronType=Art	3 thing	det
3	thing	thing	NOUN	Number=Sing	root	root
4	eaten	eat	VERB	Tense=Past VerbForm=Part Voice=Pass	3 thing	acl
5	to	to	ADP	_	7 thing	case
6	the	the	DET	Definite=Def PronType=Art	7 thing	det
7	thing	thing	NOUN	Number=Sing	4 eaten	obl
8	that	that	PRON	PronType=Rel	9 eats	nsubj
9	eats	eat	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 thing	acl:relcl
10	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	9 eats	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	eat	participle		the thing not said here				to the thing	vn eat-39.1-1 «NP V»: agent=Agent
2	eat	present	the thing	thing					vn eat-39.1-1 «NP V NP»: agent=Agent it=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/world/26-food-chains-and-webs/e2/