Test 11 · The night sky in summer and autumn, and the southern sky

Why don't you see the same stars in July and in October?

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: you · What happens: not see · To what, where: same stars

This is test 11 of lesson 21 «The night sky in summer and autumn, and the southern sky» of the space 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	5 see	advmod
2	do	do	AUX	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	5 see	aux
3	n't	not	PART	Polarity=Neg	5 see	advmod
4	you	you	PRON	Case=Nom Person=2 PronType=Prs	5 see	nsubj
5	see	see	VERB	Mood=Ind Person=2 Tense=Pres VerbForm=Fin	root	root
6	the	the	DET	Definite=Def PronType=Art	8 stars	det
7	same	same	ADJ	Degree=Pos	8 stars	amod
8	stars	star	NOUN	Number=Plur	5 see	obj
9	in	in	ADP	_	10 July	case
10	July	July	PROPN	Number=Sing	8 stars	nmod
11	and	and	CCONJ	_	13 October	cc
12	in	in	ADP	_	13 October	case
13	October	October	PROPN	Number=Sing	10 July	conj
14	?	?	PUNCT	_	5 see	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not see	present · do-support	you	the same stars				in July and October	vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer star=Stimulus

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 Moon blocks half of the stars in autumn, so we see far fewer of them

The tree, 16 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 Moon	det
2	Moon	Moon	PROPN	Number=Sing	3 blocks	nsubj
3	blocks	block	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	half	half	NOUN	Number=Sing NumForm=Word NumType=Frac	3 blocks	obj
5	of	of	ADP	_	7 stars	case
6	the	the	DET	Definite=Def PronType=Art	7 stars	det
7	stars	star	NOUN	Number=Plur	4 half	nmod
8	in	in	ADP	_	9 autumn	case
9	autumn	autumn	NOUN	Number=Sing	3 blocks	obl
10	,	,	PUNCT	_	13 see	punct
11	so	so	ADV	_	13 see	advmod
12	we	we	PRON	Case=Nom Number=Plur Person=1 PronType=Prs	13 see	nsubj
13	see	see	VERB	Mood=Ind Number=Plur Person=1 Tense=Pres VerbForm=Fin	3 blocks	conj
14	far	far	ADV	Degree=Pos	15 fewer	advmod
15	fewer	few	ADJ	Degree=Cmp	13 see	obj
16	of	of	ADP	_	17 them	case
17	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	15 fewer	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	block	present	the Moon	half of the stars			autumn		vn forbid-64.4-1 «NP V NP»: agent=Causer half=Theme
2	see	present	we	fewer					vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer few=Stimulus

Option 2

The stars switch off in autumn

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 stars	det
2	stars	star	NOUN	Number=Plur	3 switch	nsubj
3	switch	switch	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	off	off	ADP	_	3 switch	compound:prt
5	in	in	ADP	_	6 autumn	case
6	autumn	autumn	NOUN	Number=Sing	3 switch	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	switch off	present	the stars				autumn		vn convert-26.6.2-1-1 «NP V»: agent=Patient

Option 3 · ✓ the right answer

Earth moves round the Sun, so night faces a different part of space

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Earth	Earth	PROPN	Number=Sing	2 moves	nsubj
2	moves	move	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	round	round	ADP	_	5 Sun	case
4	the	the	DET	Definite=Def PronType=Art	5 Sun	det
5	Sun	Sun	PROPN	Number=Sing	2 moves	obl
6	,	,	PUNCT	_	9 faces	punct
7	so	so	ADV	_	9 faces	advmod
8	night	night	NOUN	Number=Sing	9 faces	nsubj
9	faces	face	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 moves	conj
10	a	a	DET	Definite=Ind PronType=Art	12 part	det
11	different	different	ADJ	Degree=Pos	12 part	amod
12	part	part	NOUN	Number=Sing	9 faces	obj
13	of	of	ADP	_	14 space	case
14	space	space	NOUN	Number=Sing	12 part	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	move	present	Earth			the Sun			vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme round sun=Trajectory
2	face	present	night	a different part of space					vn fill-9.8-1 «NP V NP»: agent=Theme part=Destination

Option 4

The stars swap places every season

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 stars	det
2	stars	star	NOUN	Number=Plur	3 swap	nsubj
3	swap	swap	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	places	place	NOUN	Number=Plur	3 swap	obj
5	every	every	DET	PronType=Tot	6 season	det
6	season	season	NOUN	Number=Sing	3 swap	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	swap	present	the stars	places			season		vn exchange-13.6.1 «NP V NP»: agent=Agent place=Theme

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.

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