Test 1 · ★ · Thunder, sirens and how fast sound travels

no worries, thunder's like 20 seconds after the flash, storm's miles off yeah?

Mova's choice: option 2 · The right answer: option 3 · wrong ✗ · Who acts: thunder · What happens: be · To what, where: worries

This is test 1 · ★ of lesson 18 «Thunder, sirens and how fast sound travels» 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

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	no	no	DET	PronType=Neg	2 worries	det
2	worries	worry	NOUN	Number=Plur	root	root
3	,	,	PUNCT	_	8 seconds	punct
4	thunder	thunder	NOUN	Number=Sing	8 seconds	nsubj
5	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 seconds	cop
6	like	like	ADP	_	8 seconds	case
7	20	20	NUM	NumForm=Digit NumType=Card	8 seconds	nummod
8	seconds	second	NOUN	Number=Plur	2 worries	acl:relcl
9	after	after	ADP	_	11 flash	case
10	the	the	DET	Definite=Def PronType=Art	11 flash	det
11	flash	flash	NOUN	Number=Sing	8 seconds	nmod
12	,	,	PUNCT	_	15 miles	punct
13	storm	storm	NOUN	Number=Sing	15 miles	nmod:poss
14	's	's	PART	_	13 storm	case
15	miles	mile	NOUN	Number=Plur	2 worries	conj
16	off	off	ADP	_	17 yeah	case
17	yeah	yeah	INTJ	_	15 miles	discourse
18	?	?	PUNCT	_	2 worries	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	thunder	no worries and storm's miles not said here			after the flash	like 20 seconds	tree rules

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

No, it means the storm is right overhead

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	4 means	discourse
2	,	,	PUNCT	_	1 No	punct
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	4 means	nsubj
4	means	mean	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	the	the	DET	Definite=Def PronType=Art	6 storm	det
6	storm	storm	NOUN	Number=Sing	9 overhead	nsubj
7	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	9 overhead	cop
8	right	right	ADJ	Degree=Pos	9 overhead	amod
9	overhead	overhead	NOUN	Number=Sing	4 means	ccomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	mean	present	it						vn intend-61.2-1 «NP V S»: agent=Agent
2	is a	present	the storm	right overhead					tree rules

Option 2 · ← Mova's choice

Yes, 20 seconds means hundreds of kilometres

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	5 means	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	20	20	NUM	NumForm=Digit NumType=Card	4 seconds	nummod
4	seconds	second	NOUN	Number=Plur	5 means	nsubj
5	means	mean	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
6	hundreds	hundred	NOUN	Number=Plur	5 means	obj
7	of	of	ADP	_	8 kilometres	case
8	kilometres	kilometre	NOUN	Number=Plur	6 hundreds	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	mean	present	20 seconds	hundreds of kilometres					vn intend-61.2-1 «NP V NP»: agent=Agent hundred=Topic

Option 3 · ✓ the right answer

No, that is only about seven kilometres, still close enough to be careful

The tree, 13 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	8 kilometres	discourse
2	,	,	PUNCT	_	8 kilometres	punct
3	that	that	PRON	Number=Sing PronType=Dem	8 kilometres	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 kilometres	cop
5	only	only	ADV	_	7 seven	advmod
6	about	about	ADV	_	7 seven	advmod
7	seven	seven	NUM	NumForm=Word NumType=Card	8 kilometres	nummod
8	kilometres	kilometre	NOUN	Number=Plur	root	root
9	,	,	PUNCT	_	11 close	punct
10	still	still	ADV	_	11 close	advmod
11	close	close	ADJ	Degree=Pos	8 kilometres	conj
12	enough	enough	ADV	_	11 close	advmod
13	to	to	PART	_	15 careful	mark
14	be	be	AUX	VerbForm=Inf	15 careful	cop
15	careful	careful	ADJ	Degree=Pos	11 close	advcl

#	verb	tense, mood	who	what, whom	when	other	roles by
1	is a	present	that	seven kilometres			tree rules
2	be		that not said here		still	enough property	tree rules
3	is	to-infinitive	that not said here			careful property	tree rules

Option 4

Yes, thunder after 5 seconds is safe

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	3 thunder	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	thunder	thunder	NOUN	Number=Sing	8 safe	nsubj
4	after	after	ADP	_	6 seconds	case
5	5	5	NUM	NumForm=Digit NumType=Card	6 seconds	nummod
6	seconds	second	NOUN	Number=Plur	3 thunder	nmod
7	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 safe	cop
8	safe	safe	ADJ	Degree=Pos	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	thunder after 5 seconds					safe 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/18-thunder-sirens-and-how-fast-sound-travels/t1/