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Test 3 · Earthquakes

A seismograph 500 km away records two jolts a minute apart. Why two?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: seismograph km · What happens: record · To what, where: two jolts

This is test 3 of lesson 44 «Earthquakes» of the geography 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 seismograph 500 km away records two jolts a minute apart.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	4 km	det
2	seismograph	seismograph	NOUN	Number=Sing	4 km	compound
3	500	500	NUM	NumForm=Digit NumType=Card	2 seismograph	flat
4	km	km	NOUN	Number=Sing	6 records	nsubj
5	away	away	ADV	_	6 records	advmod
6	records	record	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
7	two	two	NUM	NumForm=Word NumType=Card	8 jolts	nummod
8	jolts	jolt	NOUN	Number=Plur	6 records	obj
9	a	a	DET	Definite=Ind PronType=Art	10 minute	det
10	minute	minute	NOUN	Number=Sing	8 jolts	nmod:unmarked
11	apart	apart	ADV	_	6 records	advmod
12	.	.	PUNCT	_	6 records	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	record	present	a seismograph km	two jolts a minute				apart, away property	vn scribble-25.2-1 «NP V NP»: agent=Agent jolt=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: Why two?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Rel	root	root
2	two	two	NUM	NumForm=Word NumType=Card	1 Why	nsubj
3	?	?	PUNCT	_	1 Why	punct

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

The options

Option 1 · ← Mova's choice · ✓ the right answer

The fast P waves arrive before the slower S waves

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	4 waves	det
2	fast	fast	ADJ	Degree=Pos	4 waves	amod
3	P	p	NOUN	Number=Sing	4 waves	compound
4	waves	wave	NOUN	Number=Plur	5 arrive	nsubj
5	arrive	arrive	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
6	before	before	ADP	_	10 waves	case
7	the	the	DET	Definite=Def PronType=Art	10 waves	det
8	slower	slow	ADJ	Degree=Cmp	10 waves	amod
9	S	s	NOUN	Number=Sing	10 waves	compound
10	waves	wave	NOUN	Number=Plur	5 arrive	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	arrive	present	the fast P waves				before the slower S waves		vn escape-51.1-1 «NP V»: agent=Theme

Option 2

Two earthquakes happened at exactly that same moment

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Two	two	NUM	NumForm=Word NumType=Card	2 earthquakes	nummod
2	earthquakes	earthquake	NOUN	Number=Plur	3 happened	nsubj
3	happened	happen	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
4	at	at	ADP	_	8 moment	case
5	exactly	exactly	ADV	_	8 moment	advmod
6	that	that	DET	Number=Sing PronType=Dem	8 moment	det
7	same	same	ADJ	Degree=Pos	8 moment	amod
8	moment	moment	NOUN	Number=Sing	3 happened	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	happen	past	Two earthquakes				moment		vn occur-48.3-1 «NP V»: agent=Theme

Option 3

The machine is broken and counts every quake twice

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 machine	det
2	machine	machine	NOUN	Number=Sing	4 broken	nsubj:pass
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 broken	aux:pass
4	broken	break	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	and	and	CCONJ	_	6 counts	cc
6	counts	count	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 broken	conj
7	every	every	DET	PronType=Tot	8 quake	det
8	quake	quake	NOUN	Number=Sing	6 counts	obj
9	twice	twice	ADV	NumForm=Word NumType=Mult	6 counts	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	break	present · passive		the machine					vn hurt-40.8.3-1-1 «NP V NP»: subject=Patient
2	count	present		every quake				twice property	vn multiply-108 «NP V NP»: agent=Agent quake=Theme

Option 4

The second jolt is an echo from the Moon

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 jolt	det
2	second	second	ADJ	Degree=Pos NumForm=Word NumType=Ord	3 jolt	amod
3	jolt	jolt	NOUN	Number=Sing	6 echo	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 echo	cop
5	an	a	DET	Definite=Ind PronType=Art	6 echo	det
6	echo	echo	NOUN	Number=Sing	root	root
7	from	from	ADP	_	9 Moon	case
8	the	the	DET	Definite=Def PronType=Art	9 Moon	det
9	Moon	Moon	PROPN	Number=Sing	6 echo	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	the second jolt	a echo		the Moon			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/geography/44-earthquakes/t3/