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Test 5 · ★ · Electric senses: electric eels, sharks, the platypus bill…

A hammerhead sweeps its head over the sand like a boy with a metal detector on the beach. What is it looking for?

Mova's choice: option 2 · The right answer: option 2 · right ✓ · Who acts: hammerhead · What happens: sweep, look · To what, where: head, sand

This is test 5 · ★ of lesson 231 «Electric senses: electric eels, sharks, the platypus bill and charged bees» 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 hammerhead sweeps its head over the sand like a boy with a metal detector on the beach.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 hammerhead	det
2	hammerhead	hammerhead	NOUN	Number=Sing	3 sweeps	nsubj
3	sweeps	sweep	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	5 head	nmod:poss
5	head	head	NOUN	Number=Sing	3 sweeps	obj
6	over	over	ADP	_	8 sand	case
7	the	the	DET	Definite=Def PronType=Art	8 sand	det
8	sand	sand	NOUN	Number=Sing	3 sweeps	obl
9	like	like	ADP	_	11 boy	case
10	a	a	DET	Definite=Ind PronType=Art	11 boy	det
11	boy	boy	NOUN	Number=Sing	3 sweeps	obl
12	with	with	ADP	_	15 detector	case
13	a	a	DET	Definite=Ind PronType=Art	15 detector	det
14	metal	metal	NOUN	Number=Sing	15 detector	compound
15	detector	detector	NOUN	Number=Sing	3 sweeps	obl
16	on	on	ADP	_	18 beach	case
17	the	the	DET	Definite=Def PronType=Art	18 beach	det
18	beach	beach	NOUN	Number=Sing	15 detector	nmod
19	.	.	PUNCT	_	3 sweeps	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	sweep	present	a hammerhead	hammerhead's head		the sand		like a boy; with a metal detector on the beach	vn funnel-9.3-1-1 «NP V NP PP.trajectory»: agent=Agent head=Theme over sand=Trajectory

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 is it looking for?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Rel	4 looking	obl
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 looking	aux
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	4 looking	nsubj
4	looking	look	VERB	Tense=Pres VerbForm=Part	root	root
5	for	for	ADP	_	4 looking	obl
6	?	?	PUNCT	_	4 looking	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	look	present · progressive	hammerhead						vn stimulus_subject-30.4 «NP V PP.attribute»: agent=Stimulus

The options

Option 1

Shiny coins dropped by careless divers

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Shiny	shiny	ADJ	Degree=Pos	2 coins	amod
2	coins	coin	NOUN	Number=Plur	root	root
3	dropped	drop	VERB	Tense=Past VerbForm=Part Voice=Pass	2 coins	acl
4	by	by	ADP	_	6 divers	case
5	careless	careless	ADJ	Degree=Pos	6 divers	amod
6	divers	diver	NOUN	Number=Plur	3 dropped	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	drop	participle		Shiny coins not said here				by careless divers	vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme by diver=Trajectory

Option 2 · ← Mova's choice · ✓ the right answer

Stingrays hidden under the sand

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Stingrays	stingray	NOUN	Number=Plur	root	root
2	hidden	hide	VERB	Tense=Past VerbForm=Part Voice=Pass	1 Stingrays	acl
3	under	under	ADP	_	5 sand	case
4	the	the	DET	Definite=Def PronType=Art	5 sand	det
5	sand	sand	NOUN	Number=Sing	2 hidden	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	hide	participle		Stingrays not said here		the sand			vn concealment-16-1 «NP V PP.location»: agent=Agent under sand=Location

Option 3

Its own teeth that fell out last week

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	3 teeth	nmod:poss
2	own	own	ADJ	Degree=Pos	3 teeth	amod
3	teeth	tooth	NOUN	Number=Plur	5 fell	nsubj
4	that	that	PRON	PronType=Rel	5 fell	nsubj
5	fell	fall	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
6	out	out	ADV	_	5 fell	advmod
7	last	last	ADJ	Degree=Pos	8 week	amod
8	week	week	NOUN	Number=Sing	5 fell	obl:unmarked

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	fall out	past	Its own teeth				week	out property	vn occur-48.3 «NP V»: agent=Theme

Option 4

Patches of warm water near the bottom

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Patches	patch	NOUN	Number=Plur	root	root
2	of	of	ADP	_	4 water	case
3	warm	warm	ADJ	Degree=Pos	4 water	amod
4	water	water	NOUN	Number=Sing	1 Patches	nmod
5	near	near	ADP	_	7 bottom	case
6	the	the	DET	Definite=Def PronType=Art	7 bottom	det
7	bottom	bottom	NOUN	Number=Sing	4 water	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/231-electric-senses-eels-sharks-the-platypus-and-charged-bees/t5/