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Test 9 · ★ · Thunder, sirens and how fast sound travels

The same whisper is heard on the far side of a round gallery but not across a square hall. Why?

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · What happens: hear · To what, where: same whisper, far side

This is test 9 · ★ 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

Sentence 1: The same whisper is heard on the far side of a round gallery but not across a square hall.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 whisper	det
2	same	same	ADJ	Degree=Pos	3 whisper	amod
3	whisper	whisper	NOUN	Number=Sing	5 heard	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 heard	aux:pass
5	heard	hear	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
6	on	on	ADP	_	9 side	case
7	the	the	DET	Definite=Def PronType=Art	9 side	det
8	far	far	ADJ	Degree=Pos	9 side	amod
9	side	side	NOUN	Number=Sing	5 heard	obl
10	of	of	ADP	_	13 gallery	case
11	a	a	DET	Definite=Ind PronType=Art	13 gallery	det
12	round	round	ADJ	Degree=Pos	13 gallery	amod
13	gallery	gallery	NOUN	Number=Sing	9 side	nmod
14	but	but	CCONJ	_	19 hall	cc
15	not	not	PART	Polarity=Neg	19 hall	advmod
16	across	across	ADP	_	19 hall	case
17	a	a	DET	Definite=Ind PronType=Art	19 hall	det
18	square	square	NOUN	Number=Sing	19 hall	compound
19	hall	hall	NOUN	Number=Sing	13 gallery	conj
20	.	.	PUNCT	_	5 heard	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	hear	present · passive		the same whisper		the far side of a round gallery but a square hall			vn see-30.1-1-1 «NP V S»: subject=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.

Sentence 2: Why?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	root	root
2	?	?	PUNCT	_	1 Why	punct

The frames reader finds no event or fact in this sentence.

The options

Option 1 · ← Mova's choice

Whispers travel faster in round rooms

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Whispers	whisper	NOUN	Number=Plur	2 travel	nsubj
2	travel	travel	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	faster	fast	ADV	Degree=Cmp	2 travel	advmod
4	in	in	ADP	_	6 rooms	case
5	round	round	ADJ	Degree=Pos	6 rooms	amod
6	rooms	room	NOUN	Number=Plur	2 travel	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	travel	present	Whispers			round rooms		fast property	vn run-51.3.2-1 «NP V PP.location»: agent=Theme in room=Trajectory

Option 2

Round rooms make every sound louder by a kind of magic

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Round	round	ADJ	Degree=Pos	2 rooms	amod
2	rooms	room	NOUN	Number=Plur	3 make	nsubj
3	make	make	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	every	every	DET	PronType=Tot	5 sound	det
5	sound	sound	NOUN	Number=Sing	3 make	obj
6	louder	loud	ADJ	Degree=Cmp	3 make	xcomp
7	by	by	ADP	_	9 kind	case
8	a	a	DET	Definite=Ind PronType=Art	9 kind	det
9	kind	kind	NOUN	Number=Sing	3 make	obl
10	of	of	ADP	_	11 magic	case
11	magic	magic	NOUN	Number=Sing	9 kind	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present	Round rooms	every sound				by a kind of magic; loud property	vn build-26.1-1 «NP.asset V NP»: agent=Asset sound=Product

Option 3 · ✓ the right answer

The curved wall guides the sound round its edge

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 wall	det
2	curved	curve	VERB	Tense=Past VerbForm=Part Voice=Pass	3 wall	amod
3	wall	wall	NOUN	Number=Sing	4 guides	nsubj
4	guides	guide	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	the	the	DET	Definite=Def PronType=Art	6 sound	det
6	sound	sound	NOUN	Number=Sing	4 guides	obj
7	round	round	ADP	_	9 edge	case
8	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	9 edge	nmod:poss
9	edge	edge	NOUN	Number=Sing	4 guides	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	curve	participle							vn knead-26.5 «NP.material V PP.product»: agent=Material
2	guide	present	the curved wall	the sound		wall's edge			vn accompany-51.7 «NP V NP PP.destination»: agent=Agent sound=Theme round edge=Destination

Option 4

Square halls block all whispers

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Square	square	ADJ	Degree=Pos	2 halls	amod
2	halls	hall	NOUN	Number=Plur	3 block	nsubj
3	block	block	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	all	all	DET	PronType=Tot	5 whispers	det
5	whispers	whisper	NOUN	Number=Plur	3 block	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	block	present	Square halls	all whispers					vn forbid-64.4-1 «NP V NP»: agent=Causer whisper=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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/physics/18-thunder-sirens-and-how-fast-sound-travels/t9/