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Test 10 · ★★★ · Sharks by kind: great white, tiger, bull and hammerhead

A scientist sees scalloped hammerheads together at noon but alone at midnight. What explains it?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: scientist · What happens: see, scallop, explain · To what, where: scalloped hammerheads, scientist

This is test 10 · ★★★ of lesson 310 «Sharks by kind: great white, tiger, bull and hammerhead» 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

Sentence 1: A scientist sees scalloped hammerheads together at noon but alone at midnight.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 scientist	det
2	scientist	scientist	NOUN	Number=Sing	3 sees	nsubj
3	sees	see	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	scalloped	scallop	VERB	Tense=Past VerbForm=Part Voice=Pass	5 hammerheads	amod
5	hammerheads	hammerhead	NOUN	Number=Plur	3 sees	obj
6	together	together	ADV	_	3 sees	advmod
7	at	at	ADP	_	8 noon	case
8	noon	noon	NOUN	Number=Sing	3 sees	obl
9	but	but	CCONJ	_	12 midnight	cc
10	alone	alone	ADV	_	12 midnight	advmod
11	at	at	ADP	_	12 midnight	case
12	midnight	midnight	NOUN	Number=Sing	8 noon	conj
13	.	.	PUNCT	_	3 sees	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	see	present	a scientist	scalloped hammerheads			noon	together property	vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer hammerhead=Stimulus
2	scallop	participle							vn cooking-45.3 «NP.patient V»: agent=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.

Sentence 2: What explains it?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	2 explains	nsubj
2	explains	explain	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	2 explains	obj
4	?	?	PUNCT	_	2 explains	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	explain speech: assert	present		scientist					vn transfer_mesg-37.1.1 «NP V NP»: agent=Agent it=Topic

The options

Option 1 · ← Mova's choice · ✓ the right answer

They school by day and split up at night to hunt alone

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	6 split	nsubj
2	school	school	NOUN	Number=Sing	1 They	flat
3	by	by	ADP	_	4 day	case
4	day	day	NOUN	Number=Sing	1 They	nmod
5	and	and	CCONJ	_	6 split	cc
6	split	split	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
7	up	up	ADP	_	6 split	compound:prt
8	at	at	ADP	_	9 night	case
9	night	night	NOUN	Number=Sing	6 split	obl
10	to	to	PART	_	11 hunt	mark
11	hunt	hunt	VERB	VerbForm=Inf	6 split	advcl
12	alone	alone	ADV	_	11 hunt	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	split up	past	They				night		vn interact-36.6 «NP V»: agent=Agent
2	hunt	to-infinitive	They not said here					alone property	vn hunt-35.1 «NP V»: agent=Agent

Option 2

They are lost at night

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	3 lost	nsubj
2	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 lost	aux:pass
3	lost	lose	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	at	at	ADP	_	5 night	case
5	night	night	NOUN	Number=Sing	3 lost	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	lose	present · passive		They			night		vn succeed-74-3-1 «NP V NP»: subject=Eventuality

Option 3

They are two different species

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	5 species	nsubj
2	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	5 species	cop
3	two	two	NUM	NumForm=Word NumType=Card	5 species	nummod
4	different	different	ADJ	Degree=Pos	5 species	amod
5	species	species	NOUN	Number=Plur	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	They	two different species					tree rules

Option 4

They sleep together in big groups at midnight

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	2 sleep	nsubj
2	sleep	sleep	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	together	together	ADV	_	2 sleep	advmod
4	in	in	ADP	_	6 groups	case
5	big	big	ADJ	Degree=Pos	6 groups	amod
6	groups	group	NOUN	Number=Plur	2 sleep	obl
7	at	at	ADP	_	8 midnight	case
8	midnight	midnight	NOUN	Number=Sing	2 sleep	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	sleep together	present	They			big groups	midnight	together property	vn fit-54.3 «NP V NP PP.location»: agent=Agent in group=Location

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/310-sharks-by-kind-great-white-tiger-bull-and-hammerhead/t10/