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Test 6 · Light and shadows

You stand in the playground at three times: 8 am, noon and 6 pm. When is your shadow longest?

Mova's choice: option 4 · The right answer: option 4 · right ✓ · Who acts: You, shadow, your · What happens: stand, be, shadow · To what, where: 8, playground

This is test 6 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: You stand in the playground at three times: 8 am, noon and 6 pm.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	You	you	PRON	Case=Nom Person=2 PronType=Prs	2 stand	nsubj
2	stand	stand	VERB	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	root	root
3	in	in	ADP	_	5 playground	case
4	the	the	DET	Definite=Def PronType=Art	5 playground	det
5	playground	playground	NOUN	Number=Sing	2 stand	obl
6	at	at	ADP	_	8 times	case
7	three	three	NUM	NumForm=Word NumType=Card	8 times	nummod
8	times	time	NOUN	Number=Plur	2 stand	obl
9	:	:	PUNCT	_	10 8	punct
10	8	8	NUM	NumForm=Digit NumType=Card	2 stand	obl
11	am	a.m.	NOUN	Number=Sing	10 8	nmod:unmarked
12	,	,	PUNCT	_	13 noon	punct
13	noon	noon	NOUN	Number=Sing	10 8	conj
14	and	and	CCONJ	_	15 6	cc
15	6	6	NUM	NumForm=Digit NumType=Card	10 8	conj
16	pm	p.m.	NOUN	Number=Sing	15 6	nmod:unmarked
17	.	.	PUNCT	_	2 stand	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	stand	present	You	8 am and noon		the playground	time		vn assuming_position-50 «NP V PP.location»: agent=Agent in playground=Location

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: When is your shadow longest?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	When	when	SCONJ	_	5 longest	mark
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 longest	cop
3	your	your	PRON	Case=Gen Person=2 Poss=Yes PronType=Prs	4 shadow	nmod:poss
4	shadow	shadow	NOUN	Number=Sing	5 longest	nsubj
5	longest	long	ADJ	Degree=Sup	root	root
6	?	?	PUNCT	_	5 longest	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	your shadow					long property	tree rules
2	shadow		your						nom shadow «state transitive»: poss=agent

The options

Option 1

At noon, when the Sun is highest

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	At	at	ADP	_	2 noon	case
2	noon	noon	NOUN	Number=Sing	8 highest	obl
3	,	,	PUNCT	_	2 noon	punct
4	when	when	SCONJ	_	8 highest	mark
5	the	the	DET	Definite=Def PronType=Art	6 Sun	det
6	Sun	Sun	PROPN	Number=Sing	8 highest	nsubj
7	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 highest	cop
8	highest	high	ADJ	Degree=Sup	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	the Sun				noon	high property	tree rules

Option 2

Shadows do not change through the day

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Shadows	shadow	NOUN	Number=Plur	4 change	nsubj
2	do	do	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 change	aux
3	not	not	PART	Polarity=Neg	4 change	advmod
4	change	change	VERB	VerbForm=Inf	root	root
5	through	through	ADP	_	7 day	case
6	the	the	DET	Definite=Def PronType=Art	7 day	det
7	day	day	NOUN	Number=Sing	4 change	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not change	present · do-support	Shadows				day		vn dress-41.1.1-1-1 «NP V»: agent=Agent

Option 3

It is the same at all three times

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 same	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 same	cop
3	the	the	DET	Definite=Def PronType=Art	4 same	det
4	same	same	ADJ	Degree=Pos	root	root
5	at	at	ADP	_	8 times	case
6	all	all	DET	PronType=Tot	8 times	det
7	three	three	NUM	NumForm=Word NumType=Card	8 times	nummod
8	times	time	NOUN	Number=Plur	4 same	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	It				time	same property	tree rules

Option 4 · ← Mova's choice · ✓ the right answer

At 8 am or 6 pm, when the Sun is low

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	At	at	ADP	_	2 8	case
2	8	8	NUM	NumForm=Digit NumType=Card	root	root
3	am	a.m.	NOUN	Number=Sing	2 8	nmod:unmarked
4	or	or	CCONJ	_	5 6	cc
5	6	6	NUM	NumForm=Digit NumType=Card	2 8	conj
6	pm	p.m.	NOUN	Number=Sing	5 6	nmod:unmarked
7	,	,	PUNCT	_	12 low	punct
8	when	when	SCONJ	_	12 low	mark
9	the	the	DET	Definite=Def PronType=Art	10 Sun	det
10	Sun	Sun	PROPN	Number=Sing	12 low	nsubj
11	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	12 low	cop
12	low	low	ADJ	Degree=Pos	5 6	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	the Sun					low property	tree rules

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/physics/20-light-and-shadows/t6/