Test 7 · ★★ · Electricity — circuits, switches and safety

Why is a metal ladder dangerous near power lines but a dry wooden one less so?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: metal ladder · What happens: be · To what, where: power lines

This is test 7 · ★★ of lesson 55 «Electricity — circuits, switches and safety» of the world 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	Why	why	ADV	PronType=Int	6 dangerous	advmod
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 dangerous	cop
3	a	a	DET	Definite=Ind PronType=Art	5 ladder	det
4	metal	metal	NOUN	Number=Sing	5 ladder	compound
5	ladder	ladder	NOUN	Number=Sing	6 dangerous	nsubj
6	dangerous	dangerous	ADJ	Degree=Pos	root	root
7	near	near	ADP	_	9 lines	case
8	power	power	NOUN	Number=Sing	9 lines	compound
9	lines	line	NOUN	Number=Plur	6 dangerous	obl
10	but	but	CCONJ	_	14 one	cc
11	a	a	DET	Definite=Ind PronType=Art	14 one	det
12	dry	dry	ADJ	Degree=Pos	14 one	amod
13	wooden	wooden	ADJ	Degree=Pos	14 one	amod
14	one	one	NOUN	Number=Sing	9 lines	acl
15	less	less	ADV	Degree=Cmp	16 so	advmod
16	so	so	ADV	_	14 one	advmod
17	?	?	PUNCT	_	6 dangerous	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	a metal ladder			power lines		dangerous 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.

The options

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

Metal conducts electricity and dry wood does not easily

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Metal	metal	NOUN	Number=Sing	2 conducts	nsubj
2	conducts	conduct	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	electricity	electricity	NOUN	Number=Sing	2 conducts	obj
4	and	and	CCONJ	_	7 does	cc
5	dry	dry	ADJ	Degree=Pos	6 wood	amod
6	wood	wood	NOUN	Number=Sing	7 does	nsubj
7	does	do	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 conducts	conj
8	not	not	PART	Polarity=Neg	7 does	advmod
9	easily	easily	ADV	_	7 does	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	conduct	present	Metal	electricity					vn accompany-51.7 «NP V NP»: agent=Agent electricity=Theme
2	not do	present	dry wood					easily property	vn act-114-1 «NP V»: agent=Agent

Option 2

Wooden ladders store electricity

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Wooden	wooden	ADJ	Degree=Pos	2 ladders	amod
2	ladders	ladder	NOUN	Number=Plur	3 store	nsubj
3	store	store	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	electricity	electricity	NOUN	Number=Sing	3 store	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	store	present	Wooden ladders	electricity					vn keep-15.2 «NP V NP»: agent=Agent electricity=Theme

Option 3

Wood is heavier than metal

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Wood	wood	NOUN	Number=Sing	3 heavier	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 heavier	cop
3	heavier	heavy	ADJ	Degree=Cmp	root	root
4	than	than	ADP	_	5 metal	case
5	metal	metal	NOUN	Number=Sing	3 heavier	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	Wood					than metal; heavy property	tree rules

Option 4

Metal is an insulator

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Metal	metal	NOUN	Number=Sing	4 insulator	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 insulator	cop
3	an	a	DET	Definite=Ind PronType=Art	4 insulator	det
4	insulator	insulator	NOUN	Number=Sing	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	Metal	a insulator					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/world/55-electricity/t7/