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Test 5 · Light and shadows

A star has blown up but you still see it shining tonight. How can that be?

Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · Who acts: star, you, that · What happens: blow up, see, shine, be · To what, where: star

This is test 5 of lesson 20 «Light and shadows» of the physics 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 star has blown up but you still see it shining tonight.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 star	det
2	star	star	NOUN	Number=Sing	4 blown	nsubj
3	has	have	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 blown	aux
4	blown	blow	VERB	Tense=Past VerbForm=Part	root	root
5	up	up	ADP	_	4 blown	compound:prt
6	but	but	CCONJ	_	9 see	cc
7	you	you	PRON	Case=Nom Person=2 PronType=Prs	9 see	nsubj
8	still	still	ADV	_	9 see	advmod
9	see	see	VERB	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	4 blown	conj
10	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	9 see	obj
11	shining	shine	VERB	VerbForm=Ger	9 see	xcomp
12	tonight	tonight	NOUN	Number=Sing	11 shining	obl:unmarked
13	.	.	PUNCT	_	4 blown	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	blow up	present · perfect	a star						vn split-23.2 «NP V apart»: agent=Patient
2	see	present	you	star			still		tree rules
3	shine	gerund	star not said here				tonight		vn light_emission-43.1 «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.

Sentence 2: How can that be?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	How	how	ADV	PronType=Int	4 be	advmod
2	can	can	AUX	VerbForm=Fin	4 be	aux
3	that	that	PRON	PronType=Rel	4 be	nsubj
4	be	be	VERB	VerbForm=Inf	root	root
5	?	?	PUNCT	_	4 be	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	can	can	that						vn exist-47.1 «NP V»: agent=Theme

The options

Option 1 · ← Mova's choice

Stars never really blow up

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Stars	star	NOUN	Number=Plur	4 blow	nsubj
2	never	never	ADV	PronType=Neg	4 blow	advmod
3	really	really	ADV	_	4 blow	advmod
4	blow	blow	VERB	Mood=Imp VerbForm=Fin	root	root
5	up	up	ADP	_	4 blow	compound:prt

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not blow up	infinitive	Stars						vn split-23.2 «NP V apart»: agent=Patient

Option 2 · ✓ the right answer

Its old light is still on its way to us

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 light	nmod:poss
2	old	old	ADJ	Degree=Pos	3 light	amod
3	light	light	NOUN	Number=Sing	8 way	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 way	cop
5	still	still	ADV	_	8 way	advmod
6	on	on	ADP	_	8 way	case
7	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	8 way	nmod:poss
8	way	way	NOUN	Number=Sing	root	root
9	to	to	ADP	_	10 us	case
10	us	we	PRON	Case=Acc Number=Plur Person=1 PronType=Prs	8 way	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	Its old light		us	light's way	still		tree rules
2	light		Its = it						nom light «phenomenon transitive»: poss=agent

Option 3

Your eyes remember it from all the nights before

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Your	your	PRON	Case=Gen Person=2 Poss=Yes PronType=Prs	2 eyes	nmod:poss
2	eyes	eye	NOUN	Number=Plur	3 remember	nsubj
3	remember	remember	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	3 remember	obj
5	from	from	ADP	_	8 nights	case
6	all	all	DET	PronType=Tot	8 nights	det:predet
7	the	the	DET	Definite=Def PronType=Art	8 nights	det
8	nights	night	NOUN	Number=Plur	3 remember	obl
9	before	before	ADV	_	3 remember	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	remember	present	Your eyes	it			night	before property	vn characterize-29.2-1-1 «NP V NP S_ING»: agent=Agent it=Theme

Option 4

The Moon keeps the star alive

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 keeps	nsubj
3	keeps	keep	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	the	the	DET	Definite=Def PronType=Art	5 star	det
5	star	star	NOUN	Number=Sing	3 keeps	obj
6	alive	alive	ADJ	Degree=Pos	3 keeps	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	keep	present	the Moon	the star				alive property	vn keep-15.2 «NP V NP»: agent=Agent star=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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