Test 10 · Eagles: golden eagles, harpy eagles, Steller's sea eagles…

Why would an eagle that catches big fish need a huge beak?

Mova's choice: option 4 · The right answer: option 3 · wrong ✗ · Who acts: eagle · What happens: catch, need · To what, where: big fish, huge beak

This is test 10 of lesson 323 «Eagles: golden eagles, harpy eagles, Steller's sea eagles and eagle eyes» 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	Why	why	ADV	PronType=Int	9 need	advmod
2	would	would	AUX	VerbForm=Fin	9 need	aux
3	an	a	DET	Definite=Ind PronType=Art	4 eagle	det
4	eagle	eagle	NOUN	Number=Sing	9 need	nsubj
5	that	that	PRON	PronType=Rel	6 catches	nsubj
6	catches	catch	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 eagle	acl:relcl
7	big	big	ADJ	Degree=Pos	8 fish	amod
8	fish	fish	NOUN	Number=Plur	6 catches	obj
9	need	need	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
10	a	a	DET	Definite=Ind PronType=Art	12 beak	det
11	huge	huge	ADJ	Degree=Pos	12 beak	amod
12	beak	beak	NOUN	Number=Sing	9 need	obj
13	?	?	PUNCT	_	9 need	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	catch	present	a eagle	big fish					vn get-13.5.1 «NP V NP»: agent=Agent fish=Theme
2	need	would	a eagle	a huge beak					vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot beak=Theme

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

To dig a nest in the ice

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 dig	mark
2	dig	dig	VERB	Mood=Imp VerbForm=Fin	root	root
3	a	a	DET	Definite=Ind PronType=Art	4 nest	det
4	nest	nest	NOUN	Number=Sing	2 dig	obj
5	in	in	ADP	_	7 ice	case
6	the	the	DET	Definite=Def PronType=Art	7 ice	det
7	ice	ice	NOUN	Number=Sing	2 dig	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	dig	to-infinitive		a nest		the ice			vn hunt-35.1 «NP V NP PP.location»: agent=Agent nest=Theme in ice=Location

Option 2

To sing loudly to its mate

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 sing	mark
2	sing	sing	VERB	Mood=Imp VerbForm=Fin	root	root
3	loudly	loudly	ADV	_	2 sing	advmod
4	to	to	ADP	_	6 mate	case
5	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	6 mate	nmod:poss
6	mate	mate	NOUN	Number=Sing	2 sing	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	sing speech: express	to-infinitive			its mate			loudly property	vn manner_speaking-37.3 «NP V PP.recipient»: agent=Agent to mate=Recipient

Option 3 · ✓ the right answer

To tear apart big, tough, slippery meals

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 tear	mark
2	tear	tear	VERB	Mood=Imp VerbForm=Fin	root	root
3	apart	apart	ADV	_	2 tear	advmod
4	big	big	ADJ	Degree=Pos	9 meals	amod
5	,	,	PUNCT	_	6 tough	punct
6	tough	tough	ADJ	Degree=Pos	4 big	conj
7	,	,	PUNCT	_	4 big	punct
8	slippery	slippery	ADJ	Degree=Pos	9 meals	amod
9	meals	meal	NOUN	Number=Plur	2 tear	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	tear apart	to-infinitive		big slippery meals				apart property	vn run-51.3.2 «PP.location V NP»: agent=Initial_Location meal=Theme

Option 4 · ← Mova's choice

To scoop the fish out from deep under the water

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 scoop	mark
2	scoop	scoop	VERB	Mood=Imp VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 fish	det
4	fish	fish	NOUN	Number=Sing	2 scoop	obj
5	out	out	ADP	_	2 scoop	compound:prt
6	from	from	ADP	_	7 deep	case
7	deep	deep	ADJ	Degree=Pos	2 scoop	obl
8	under	under	ADP	_	10 water	case
9	the	the	DET	Definite=Def PronType=Art	10 water	det
10	water	water	NOUN	Number=Sing	2 scoop	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	scoop out	to-infinitive		the fish		deep		under the water	vn funnel-9.3 «NP V NP PP.trajectory»: agent=Agent fish=Theme from deep=Trajectory

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/323-eagles-golden-eagles-harpy-eagles-stellers-sea-eagles-and-eagle-eyes/t10/