Exam question 2 · Hidden senses: magnetic birds and turtles, ultraviolet bee…

Select the response consistent with the established facts concerning the navigation of the loggerhead turtle.

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: you, established facts · What happens: select, establish, concern, navigate · To what, where: response, navigation, loggerhead turtle

This is exam question 2 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	Select	select	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	3 response	det
3	response	response	NOUN	Number=Sing	1 Select	obj
4	consistent	consistent	ADJ	Degree=Pos	1 Select	xcomp
5	with	with	ADP	_	8 facts	case
6	the	the	DET	Definite=Def PronType=Art	8 facts	det
7	established	establish	VERB	Tense=Past VerbForm=Part Voice=Pass	8 facts	amod
8	facts	fact	NOUN	Number=Plur	4 consistent	obl
9	concerning	concern	VERB	VerbForm=Ger	8 facts	acl
10	the	the	DET	Definite=Def PronType=Art	11 navigation	det
11	navigation	navigation	NOUN	Number=Sing	9 concerning	obj
12	of	of	ADP	_	15 turtle	case
13	the	the	DET	Definite=Def PronType=Art	15 turtle	det
14	loggerhead	loggerhead	NOUN	Number=Sing	15 turtle	compound
15	turtle	turtle	NOUN	Number=Sing	11 navigation	nmod
16	.	.	PUNCT	_	1 Select	punct

#	verb	tense, mood	who	what, whom	other	roles by
1	select	imperative	you not said here	the response	consistent property	vn obtain-13.5.2 «NP V NP»: agent=Agent response=Theme
2	establish	participle				vn indicate-78-1-1 «NP V NP to be NP»: agent=Pivot
3	concern	gerund	the established facts not said here	the navigation of the loggerhead turtle		vn amuse-31.1 «NP V NP»: agent=Stimulus navigation=Experiencer
4	navigate			the loggerhead turtle		nom navigation «act 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 · ← Mova's choice

It follows a trail of floating vegetation

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 follows	nsubj
2	follows	follow	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	a	a	DET	Definite=Ind PronType=Art	4 trail	det
4	trail	trail	NOUN	Number=Sing	2 follows	obj
5	of	of	ADP	_	7 vegetation	case
6	floating	float	VERB	VerbForm=Ger	7 vegetation	amod
7	vegetation	vegetation	NOUN	Number=Sing	4 trail	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	follow	present	It	a trail of floating vegetation					vn chase-51.6 «NP V NP»: agent=Agent trail=Theme
2	float	gerund							vn run-51.3.2-2 «NP V»: agent=Theme

Option 2

It is guided by its mother throughout the voyage

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 guided	nsubj:pass
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 guided	aux:pass
3	guided	guide	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	by	by	ADP	_	6 mother	case
5	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	6 mother	nmod:poss
6	mother	mother	NOUN	Number=Sing	3 guided	obl
7	throughout	throughout	ADP	_	9 voyage	case
8	the	the	DET	Definite=Def PronType=Art	9 voyage	det
9	voyage	voyage	NOUN	Number=Sing	3 guided	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	guide	present · passive	its mother	It		the voyage			vn accompany-51.7 «NP V NP PP.destination»: agent=Agent subject=Theme throughout voyage=Destination

Option 3

It navigates solely by the position of the Moon

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 navigates	nsubj
2	navigates	navigate	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	solely	solely	ADV	_	2 navigates	advmod
4	by	by	ADP	_	6 position	case
5	the	the	DET	Definite=Def PronType=Art	6 position	det
6	position	position	NOUN	Number=Sing	2 navigates	obl
7	of	of	ADP	_	9 Moon	case
8	the	the	DET	Definite=Def PronType=Art	9 Moon	det
9	Moon	Moon	PROPN	Number=Sing	6 position	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	navigate	present	It					by the position of the Moon; solely property	vn nonvehicle-51.4.2-1 «NP V PP»: agent=Theme

Option 4 · ✓ the right answer

It appears to recall the magnetic characteristics of its natal beach

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 appears	nsubj
2	appears	appear	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	to	to	PART	_	4 recall	mark
4	recall	recall	VERB	VerbForm=Inf	2 appears	xcomp
5	the	the	DET	Definite=Def PronType=Art	7 characteristics	det
6	magnetic	magnetic	ADJ	Degree=Pos	7 characteristics	amod
7	characteristics	characteristic	NOUN	Number=Plur	4 recall	obj
8	of	of	ADP	_	11 beach	case
9	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	11 beach	nmod:poss
10	natal	natal	ADJ	Degree=Pos	11 beach	amod
11	beach	beach	NOUN	Number=Sing	7 characteristics	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	appear	present	It						vn seem-109-1-1-1 «NP V S_INF»: agent=Theme clause=Attribute
2	recall	to-infinitive		the magnetic characteristics of its natal beach					vn banish-10.2 «NP V NP»: agent=Agent characteristic=Theme

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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