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Test 5 · ★★ · Hiking and camping safely

A camper says «I can't smell anything, so the heater in the tent is safe». Why is he wrong?

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: camper, heater · What happens: say, not smell, be · To what, where: anything · Speech: someone speaks here

This is test 5 · ★★ of lesson 230 «Hiking and camping safely» of the everyday 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 camper says «I can't smell anything, so the heater in the tent is safe».

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 camper	det
2	camper	camper	NOUN	Number=Sing	3 says	nsubj
3	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	«	«	PUNCT	_	8 smell	punct
5	I	I	PRON	Case=Nom Number=Sing Person=1 PronType=Prs	8 smell	nsubj
6	ca	can	AUX	VerbForm=Fin	8 smell	aux
7	n't	not	PART	Polarity=Neg	8 smell	advmod
8	smell	smell	VERB	VerbForm=Inf	3 says	ccomp
9	anything	anything	PRON	Number=Sing PronType=Ind	8 smell	obj
10	,	,	PUNCT	_	18 safe	punct
11	so	so	ADV	_	18 safe	advmod
12	the	the	DET	Definite=Def PronType=Art	13 heater	det
13	heater	heater	NOUN	Number=Sing	18 safe	nsubj
14	in	in	ADP	_	16 tent	case
15	the	the	DET	Definite=Def PronType=Art	16 tent	det
16	tent	tent	NOUN	Number=Sing	13 heater	nmod
17	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	18 safe	cop
18	safe	safe	ADJ	Degree=Pos	3 says	ccomp
19	»	»	PUNCT	_	18 safe	punct
20	.	.	PUNCT	_	3 says	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	say speech: assert	present	a camper						vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic
2	not smell in a quote	can	a camper = camper	anything					vn see-30.1 «NP V NP»: agent=Experiencer anything=Stimulus
3	is in a quote	present	the heater in the tent					safe property	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.

Sentence 2: Why is he wrong?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	4 wrong	advmod
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 wrong	cop
3	he	he	PRON	Case=Nom Gender=Masc Number=Sing Person=3 PronType=Prs	4 wrong	nsubj
4	wrong	wrong	ADJ	Degree=Pos	root	root
5	?	?	PUNCT	_	4 wrong	punct

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

The options

Option 1 · ← Mova's choice

Carbon monoxide always smells strongly of rotten eggs

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Carbon	carbon	NOUN	Number=Sing	2 monoxide	compound
2	monoxide	monoxide	NOUN	Number=Sing	4 smells	nsubj
3	always	always	ADV	PronType=Tot	4 smells	advmod
4	smells	smell	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	strongly	strongly	ADV	_	4 smells	advmod
6	of	of	ADP	_	8 eggs	case
7	rotten	rotten	ADJ	Degree=Pos	8 eggs	amod
8	eggs	egg	NOUN	Number=Plur	4 smells	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	smell	present	Carbon monoxide					of rotten eggs; always, strongly property	vn smell_emission-43.3 «NP V PP.theme»: agent=Location of egg=Theme

Option 2

Heaters only ever give off smoke that you can see

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Heaters	heater	NOUN	Number=Plur	4 give	nsubj
2	only	only	ADV	_	4 give	advmod
3	ever	ever	ADV	PronType=Ind	4 give	advmod
4	give	give	VERB	Mood=Imp VerbForm=Fin	root	root
5	off	off	ADP	_	4 give	compound:prt
6	smoke	smoke	NOUN	Number=Sing	4 give	obj
7	that	that	PRON	PronType=Rel	10 see	obj
8	you	you	PRON	Case=Nom Person=2 PronType=Prs	10 see	nsubj
9	can	can	AUX	VerbForm=Fin	10 see	aux
10	see	see	VERB	VerbForm=Inf	6 smoke	acl:relcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	give off	infinitive	Heaters	smoke			ever		vn substance_emission-43.4 «NP V NP»: agent=Source smoke=Theme
2	see	can	you	smoke					vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer that=Stimulus

Option 3 · ✓ the right answer

Carbon monoxide is a poison gas with no smell

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Carbon	carbon	NOUN	Number=Sing	2 monoxide	compound
2	monoxide	monoxide	NOUN	Number=Sing	6 gas	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 gas	cop
4	a	a	DET	Definite=Ind PronType=Art	6 gas	det
5	poison	poison	NOUN	Number=Sing	6 gas	compound
6	gas	gas	NOUN	Number=Sing	root	root
7	with	with	ADP	_	9 smell	case
8	no	no	DET	PronType=Neg	9 smell	det
9	smell	smell	NOUN	Number=Sing	6 gas	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	Carbon monoxide	a poison gas				with no smell	tree rules

Option 4

Tents let all gases out at once

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Tents	tent	NOUN	Number=Plur	2 let	nsubj
2	let	let	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	all	all	DET	PronType=Tot	4 gases	det
4	gases	gas	NOUN	Number=Plur	2 let	obj
5	out	out	ADV	_	2 let	advmod
6	at	at	ADP	_	7 once	case
7	once	once	ADV	NumForm=Word NumType=Mult	2 let	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	let out	present	Tents	all gases				out property	vn give-13.1-1 «NP V NP PP.asset»: agent=Agent gas=Theme at once=Asset

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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