Test 6 · ★★ · Self-driving cars and machines that run themselves

What would happen if a self-driving car's cameras and lidar were covered in thick mud?

Mova's choice: option 2 · The right answer: option 4 · wrong ✗ · What happens: happen, drive, cover · To what, where: cameras

This is test 6 · ★★ of lesson 40 «Self-driving cars and machines that run themselves» of the technology 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	What	what	PRON	PronType=Int	3 happen	nsubj
2	would	would	AUX	VerbForm=Fin	3 happen	aux
3	happen	happen	VERB	VerbForm=Inf	root	root
4	if	if	SCONJ	_	15 covered	mark
5	a	a	DET	Definite=Ind PronType=Art	9 car	det
6	self	self	NOUN	Number=Sing	8 driving	compound
7	-	-	PUNCT	_	6 self	punct
8	driving	drive	VERB	VerbForm=Ger	9 car	amod
9	car	car	NOUN	Number=Sing	11 cameras	nmod:poss
10	's	's	PART	_	9 car	case
11	cameras	camera	NOUN	Number=Plur	15 covered	nsubj:pass
12	and	and	CCONJ	_	13 lidar	cc
13	lidar	lidar	NOUN	Number=Sing	11 cameras	conj
14	were	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	15 covered	aux:pass
15	covered	cover	VERB	Tense=Past VerbForm=Part Voice=Pass	3 happen	advcl
16	in	in	ADP	_	18 mud	case
17	thick	thick	ADJ	Degree=Pos	18 mud	amod
18	mud	mud	NOUN	Number=Sing	15 covered	obl
19	?	?	PUNCT	_	3 happen	punct

#	verb	tense, mood	what, whom	other	roles by
1	happen	would			vn occur-48.3-1 «NP V»: agent=Theme
2	drive	gerund			vn nonvehicle-51.4.2-1 «NP.agent V»: agent=Agent
3	cover a condition, not said to happen	past · passive	a driving car's cameras and lidar	in thick mud	vn fill-9.8-1 «NP V NP PP.theme»: subject=Destination in mud=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.

The options

Option 1

It would use its radio to see

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 use	nsubj
2	would	would	AUX	VerbForm=Fin	3 use	aux
3	use	use	VERB	VerbForm=Inf	root	root
4	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	5 radio	nmod:poss
5	radio	radio	NOUN	Number=Sing	3 use	obj
6	to	to	PART	_	7 see	mark
7	see	see	VERB	VerbForm=Inf	3 use	advcl

#	verb	tense, mood	who	what, whom	roles by
1	use	would	It	its radio	vn eat-39.1 «NP V NP»: agent=Agent radio=Patient
2	see	to-infinitive			vn comprehend-87.2-1-1 «NP V»: agent=Experiencer
3	radio		its = it		nom radio «communication transitive»: poss=agent

Option 2 · ← Mova's choice

Nothing, it drives from memory

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Nothing	nothing	PRON	Number=Sing PronType=Neg	4 drives	nsubj
2	,	,	PUNCT	_	1 Nothing	punct
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	4 drives	nsubj
4	drives	drive	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	from	from	ADP	_	6 memory	case
6	memory	memory	NOUN	Number=Sing	4 drives	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	drive	present	Nothing			memory			vn nonvehicle-51.4.2-1 «NP V PP.location»: agent=Agent from memory=Trajectory

Option 3

It would drive better with less to look at

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 drive	nsubj
2	would	would	AUX	VerbForm=Fin	3 drive	aux
3	drive	drive	VERB	VerbForm=Inf	root	root
4	better	well	ADV	Degree=Cmp	3 drive	advmod
5	with	with	ADP	_	6 less	case
6	less	less	ADJ	Degree=Cmp	3 drive	obl
7	to	to	PART	_	8 look	mark
8	look	look	VERB	VerbForm=Inf	3 drive	advcl
9	at	at	ADP	_	8 look	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	drive	would	It					with less; well property	vn nonvehicle-51.4.2-1 «NP V PP»: agent=Theme
2	look	to-infinitive							vn stimulus_subject-30.4 «NP V PP.attribute»: agent=Stimulus

Option 4 · ✓ the right answer

It could not see the street properly, so it should stop safely

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	4 see	nsubj
2	could	could	AUX	VerbForm=Fin	4 see	aux
3	not	not	PART	Polarity=Neg	4 see	advmod
4	see	see	VERB	VerbForm=Inf	root	root
5	the	the	DET	Definite=Def PronType=Art	6 street	det
6	street	street	NOUN	Number=Sing	4 see	obj
7	properly	properly	ADV	_	4 see	advmod
8	,	,	PUNCT	_	12 stop	punct
9	so	so	ADV	_	12 stop	advmod
10	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	12 stop	nsubj
11	should	should	AUX	VerbForm=Fin	12 stop	aux
12	stop	stop	VERB	VerbForm=Inf	4 see	conj
13	safely	safely	ADV	_	12 stop	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not see	could	It	the street				properly property	vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer street=Stimulus
2	stop	should	street					safely property	vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality

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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