Exam question 1 · Hidden senses: magnetic birds and turtles, ultraviolet bee…

Identify the means by which pit vipers detect warm-blooded prey in conditions of total darkness.

Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: you, the, pit vipers · What happens: identify, mean, detect, condition · To what, where: blooded prey, conditions, total darkness · Speech: someone speaks here

This is exam question 1 of lesson 232 «Hidden senses: magnetic birds and turtles, ultraviolet bees, heat-seeing snakes, whiskers and lateral lines» 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	Identify	identify	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	3 means	nsubj
3	means	mean	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	1 Identify	ccomp
4	by	by	ADP	_	5 which	case
5	which	which	PRON	PronType=Rel	8 detect	obl
6	pit	pit	NOUN	Number=Sing	7 vipers	compound
7	vipers	viper	NOUN	Number=Plur	8 detect	nsubj
8	detect	detect	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 means	ccomp
9	warm	warm	ADJ	Degree=Pos	11 blooded	amod
10	-	-	PUNCT	_	9 warm	punct
11	blooded	blooded	ADJ	Degree=Pos	12 prey	amod
12	prey	prey	NOUN	Number=Sing	8 detect	obj
13	in	in	ADP	_	14 conditions	case
14	conditions	condition	NOUN	Number=Plur	8 detect	obl
15	of	of	ADP	_	17 darkness	case
16	total	total	ADJ	Degree=Pos	17 darkness	amod
17	darkness	darkness	NOUN	Number=Sing	14 conditions	nmod
18	.	.	PUNCT	_	1 Identify	punct

#	verb	tense, mood	who	what, whom	where	roles by
1	identify	imperative	you not said here			vn characterize-29.2-1-1 «NP V S_ING»: agent=Agent clause=Theme
2	mean	present	the			vn intend-61.2-1 «NP V S»: agent=Agent clause=Topic
3	detect	present	pit vipers	blooded prey	conditions of total darkness	vn see-30.1-1 «NP V S»: agent=Experiencer prey=Stimulus
4	condition			total darkness		nom condition «state transitive»: of=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

Electric receptors situated upon the forked tongue

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Electric	electric	ADJ	Degree=Pos	2 receptors	amod
2	receptors	receptor	NOUN	Number=Plur	root	root
3	situated	situate	VERB	Tense=Past VerbForm=Part Voice=Pass	2 receptors	acl
4	upon	upon	ADP	_	7 tongue	case
5	the	the	DET	Definite=Def PronType=Art	7 tongue	det
6	forked	fork	VERB	Tense=Past VerbForm=Part Voice=Pass	7 tongue	amod
7	tongue	tongue	NOUN	Number=Sing	3 situated	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	situate	participle		Electric receptors not said here		the forked tongue			vn put-9.1 «NP V NP PP.destination»: agent=Agent upon tongue=Destination
2	fork	participle							vn pocket-9.10 «NP V NP.theme»: agent=Agent

Option 2

Detection of prey by sight alone

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Detection	detection	NOUN	Number=Sing	root	root
2	of	of	ADP	_	3 prey	case
3	prey	prey	NOUN	Number=Sing	1 Detection	nmod
4	by	by	ADP	_	5 sight	case
5	sight	sight	NOUN	Number=Sing	1 Detection	nmod
6	alone	alone	ADV	_	5 sight	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	detect		sight	prey					nom detection «cognition transitive»: of=patient by=agent

Option 3 · ← Mova's choice · ✓ the right answer

Heat-sensitive pits situated upon the face

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Heat	heat	NOUN	Number=Sing	3 sensitive	compound
2	-	-	PUNCT	_	1 Heat	punct
3	sensitive	sensitive	ADJ	Degree=Pos	4 pits	amod
4	pits	pit	NOUN	Number=Plur	root	root
5	situated	situate	VERB	Tense=Past VerbForm=Part Voice=Pass	4 pits	acl
6	upon	upon	ADP	_	8 face	case
7	the	the	DET	Definite=Def PronType=Art	8 face	det
8	face	face	NOUN	Number=Sing	5 situated	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	situate	participle		sensitive pits not said here		the face			vn put-9.1 «NP V NP PP.destination»: agent=Agent upon face=Destination

Option 4

Echolocation by means of clicks

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Echolocation	echolocation	NOUN	Number=Sing	3 means	nsubj
2	by	by	ADP	_	1 Echolocation	fixed
3	means	mean	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	of	of	ADP	_	5 clicks	case
5	clicks	click	NOUN	Number=Plur	3 means	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	mean	present	Echolocation					of clicks	vn intend-61.2-1 «NP V S»: 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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/biology/232-hidden-senses-magnetic-birds-ultraviolet-bees-heat-seeing-snakes/e1/