Test 9 · ★ · Migration and hibernation

Why do many migrating birds come back north in spring?

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: many migrating birds · What happens: migrate, come back

This is test 9 · ★ of lesson 28 «Migration and hibernation» of the world 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	6 come	advmod
2	do	do	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 come	aux
3	many	many	ADJ	Degree=Pos	5 birds	amod
4	migrating	migrate	VERB	VerbForm=Ger	5 birds	amod
5	birds	bird	NOUN	Number=Plur	6 come	nsubj
6	come	come	VERB	Mood=Ind Number=Sing Person=1 Tense=Pres VerbForm=Fin	root	root
7	back	back	ADV	_	8 north	advmod
8	north	north	ADV	_	6 come	advmod
9	in	in	ADP	_	10 spring	case
10	spring	spring	NOUN	Number=Sing	6 come	obl
11	?	?	PUNCT	_	6 come	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	migrate	gerund							tree rules
2	come back	present · do-support	many migrating birds				spring	north property	vn escape-51.1-1 «NP V»: agent=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 · ← Mova's choice

The south becomes covered in snow

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 south	det
2	south	south	NOUN	Number=Sing	4 covered	nsubj:pass
3	becomes	become	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 covered	aux:pass
4	covered	cover	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	in	in	ADP	_	6 snow	case
6	snow	snow	NOUN	Number=Sing	4 covered	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	cover	present · passive		the south				in snow	vn fill-9.8-1 «NP V NP PP.theme»: subject=Destination in snow=Theme

Option 2

They are blown back by winter winds

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 blown	nsubj
2	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 blown	aux:pass
3	blown	blow	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	back	back	ADV	_	3 blown	advmod
5	by	by	ADP	_	7 winds	case
6	winter	winter	NOUN	Number=Sing	7 winds	compound
7	winds	wind	NOUN	Number=Plur	3 blown	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	blow back	present · passive	winter winds	They					vn split-23.2 «NP V NP apart»: agent=Agent subject=Patient

Option 3

They need to hibernate in the north

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 need	nsubj
2	need	need	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	to	to	PART	_	4 hibernate	mark
4	hibernate	hibernate	VERB	VerbForm=Inf	2 need	xcomp
5	in	in	ADP	_	7 north	case
6	the	the	DET	Definite=Def PronType=Art	7 north	det
7	north	north	NOUN	Number=Sing	4 hibernate	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	need	present	They						vn want-32.1-1-1 «NP V NP S_INF»: agent=Pivot clause=Theme
2	hibernate not said to happen	to-infinitive	They not said here			the north			vn fit-54.3 «NP V NP PP.location»: agent=Agent in north=Location

Option 4 · ✓ the right answer

There is plenty of food for raising young

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	There	there	PRON	PronType=Dem	2 is	expl
2	is	be	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	plenty	plenty	NOUN	Number=Sing	2 is	nsubj
4	of	of	ADP	_	5 food	case
5	food	food	NOUN	Number=Sing	3 plenty	nmod
6	for	for	SCONJ	_	7 raising	mark
7	raising	raise	VERB	VerbForm=Ger	3 plenty	acl
8	young	young	ADJ	Degree=Pos	7 raising	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	be	present	plenty of food			there			vn exist-47.1 «NP V»: agent=Theme
2	raise	gerund	plenty of food not said here					young property	vn put_direction-9.4 «NP V NP»: agent=Agent

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/world/28-migration-and-hibernation/t9/