Exam question 4 · Colours of fire: fireworks

Ascertain the reason for which a sparkler must be held at arm's length.

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: you · What happens: ascertain, hold · To what, where: reason, sparkler, length

This is exam question 4 of lesson 26 «Colours of fire: fireworks» of the chemistry course of Mova's primary school, asked in stiff, formal language. 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	Ascertain	ascertain	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	3 reason	det
3	reason	reason	NOUN	Number=Sing	1 Ascertain	obj
4	for	for	ADP	_	5 which	case
5	which	which	PRON	PronType=Rel	10 held	obl
6	a	a	DET	Definite=Ind PronType=Art	7 sparkler	det
7	sparkler	sparkler	NOUN	Number=Sing	10 held	nsubj:pass
8	must	must	AUX	VerbForm=Fin	10 held	aux
9	be	be	AUX	VerbForm=Inf	10 held	aux:pass
10	held	hold	VERB	Tense=Past VerbForm=Part Voice=Pass	3 reason	acl:relcl
11	at	at	ADP	_	14 length	case
12	arm	arm	NOUN	Number=Sing	14 length	nmod:poss
13	's	's	PART	_	12 arm	case
14	length	length	NOUN	Number=Sing	10 held	obl
15	.	.	PUNCT	_	1 Ascertain	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	ascertain	imperative	you not said here	the reason					vn discover-84 «NP V NP»: agent=Agent reason=Topic
2	hold	must · passive		a sparkler		arm's length		for the reason	vn keep-15.2 «NP V NP PP.location»: subject=Theme at length=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.

The options

Option 1 · ← Mova's choice

It becomes intensely cold upon ignition

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	2 becomes	nsubj
2	becomes	become	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	intensely	intensely	ADV	_	4 cold	advmod
4	cold	cold	ADJ	Degree=Pos	2 becomes	xcomp
5	upon	upon	ADP	_	6 ignition	case
6	ignition	ignition	NOUN	Number=Sing	4 cold	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	become	present	It					cold property	vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient

Option 2

It may ascend into the air without warning

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	3 ascend	nsubj
2	may	may	AUX	VerbForm=Fin	3 ascend	aux
3	ascend	ascend	VERB	VerbForm=Inf	root	root
4	into	into	ADP	_	6 air	case
5	the	the	DET	Definite=Def PronType=Art	6 air	det
6	air	air	NOUN	Number=Sing	3 ascend	obl
7	without	without	ADP	_	8 warning	case
8	warning	warning	NOUN	Number=Sing	3 ascend	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	ascend	may	It			the air		without warning	vn escape-51.1-1-3 «NP V PP.initial_location»: agent=Theme into air=Initial_Location

Option 3

It emits a poisonous liquid during use

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	2 emits	nsubj
2	emits	emit	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	a	a	DET	Definite=Ind PronType=Art	5 liquid	det
4	poisonous	poisonous	ADJ	Degree=Pos	5 liquid	amod
5	liquid	liquid	NOUN	Number=Sing	2 emits	obj
6	during	during	ADP	_	7 use	case
7	use	use	NOUN	Number=Sing	2 emits	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	emit	present	It	a poisonous liquid			during use		vn substance_emission-43.4 «NP V NP»: agent=Source liquid=Theme

Option 4 · ✓ the right answer

Its temperature exceeds one thousand degrees Celsius

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	2 temperature	nmod:poss
2	temperature	temperature	NOUN	Number=Sing	3 exceeds	nsubj
3	exceeds	exceed	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	one	one	NUM	NumForm=Word NumType=Card	5 thousand	compound
5	thousand	thousand	NUM	NumForm=Word NumType=Card	6 degrees	nummod
6	degrees	degree	NOUN	Number=Plur	3 exceeds	obj
7	Celsius	Celsius	PROPN	Number=Sing	6 degrees	nmod:unmarked

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	exceed	present	Its temperature	thousand degrees Celsius					vn exceed-90 «NP V NP»: agent=Pivot degree=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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