Test 7 · ★ · Megalodon and the giants of the sea, past and present

«how does a fish bite without teeth lol» How did Dunkleosteus do it?

Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: Dunkleosteus · What happens: do · To what, where: bite

This is test 7 · ★ of lesson 273 «Megalodon and the giants of the sea, past and present» 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

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	«	«	PUNCT	_	3 does	punct
2	how	how	ADV	PronType=Int	3 does	advmod
3	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	14 do	aux
4	a	a	DET	Definite=Ind PronType=Art	6 bite	det
5	fish	fish	NOUN	Number=Sing	6 bite	compound
6	bite	bite	NOUN	Number=Sing	3 does	obj
7	without	without	ADP	_	8 teeth	case
8	teeth	tooth	NOUN	Number=Plur	6 bite	nmod
9	lol	lol	INTJ	_	3 does	discourse
10	»	»	PUNCT	_	3 does	punct
11	How	how	ADV	PronType=Int	14 do	advmod
12	did	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	14 do	aux
13	Dunkleosteus	Dunkleosteus	PROPN	Number=Sing	14 do	nsubj
14	do	do	VERB	VerbForm=Inf	root	root
15	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	14 do	obj
16	?	?	PUNCT	_	14 do	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	do	present · do-support	Dunkleosteus	bite					vn act-114-1 «NP V NP»: agent=Agent it=Eventuality

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

It used its tail

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 used	nsubj
2	used	use	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	root	root
3	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	4 tail	nmod:poss
4	tail	tail	NOUN	Number=Sing	2 used	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	use	past	It	its tail					vn eat-39.1 «NP V NP»: agent=Agent tail=Patient

Option 2

It sucked prey in like a vacuum

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 sucked	expl
2	sucked	suck	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	root	root
3	prey	prey	NOUN	Number=Sing	2 sucked	obj
4	in	in	ADP	_	7 vacuum	case
5	like	like	ADP	_	7 vacuum	case
6	a	a	DET	Definite=Ind PronType=Art	7 vacuum	det
7	vacuum	vacuum	NOUN	Number=Sing	2 sucked	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	suck	past		It		a vacuum			vn wipe_manner-10.4.1-1 «NP V NP.source»: agent=Agent prey=Source

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

With sharp bony blades in its jaws

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	With	with	ADP	_	4 blades	case
2	sharp	sharp	ADJ	Degree=Pos	4 blades	amod
3	bony	bony	ADJ	Degree=Pos	4 blades	amod
4	blades	blade	NOUN	Number=Plur	root	root
5	in	in	ADP	_	7 jaws	case
6	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	7 jaws	nmod:poss
7	jaws	jaw	NOUN	Number=Plur	4 blades	nmod

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

Option 4

It did not bite at all

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	4 bite	nsubj
2	did	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	4 bite	aux
3	not	not	PART	Polarity=Neg	4 bite	advmod
4	bite	bite	VERB	VerbForm=Inf	root	root
5	at	at	ADP	_	6 all	case
6	all	all	DET	PronType=Tot	4 bite	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not bite	past · do-support	It					at all	vn swat-18.2 «NP V PP»: agent=Agent at all=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/biology/273-megalodon-and-the-giants-of-the-sea/t7/