---
title: Dev: «cars stop, don't they?» How far would a car at 30 mph travel b… — Bike helmets and roads · tree and pragmatics
description: Dev: «cars stop, don't they?» How far would a car at 30 mph travel before stopping? Test 7 of lesson 72 «Bike helmets and roads» of the medicine course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 7 · Bike helmets and roads

<!-- .ven lang=en -->
Dev: «cars stop, don't they?» How far would a car at 30 mph travel before stopping?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 1 · wrong ✗ · **Who acts:** cars, 30 mph travel · **What happens:** stop, not do · **To what, where:** cars

<!-- .vabout -->
This is test 7 of lesson 72 «Bike helmets and roads» of the medicine 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](https://md.mova.elamur.ai/free/en/school-run/medicine/72-bike-helmets-and-roads/#t7).

## The question {#question}

<!-- .note -->
*Sentence 1:* Dev: «cars stop, don't they?»

```conllu
# sent_id = question:medicine:72-bike-helmets-and-roads:t7:1
# text = Dev: «cars stop, don't they?»
1	Dev	Dev	PROPN	NNP	Number=Sing	5	vocative	_	SpaceAfter=No
2	:	:	PUNCT	:	_	1	punct	_	_
3	«	«	PUNCT	``	_	5	punct	_	SpaceAfter=No
4	cars	car	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	SpaceAfter=No
6	,	,	PUNCT	,	_	5	punct	_	_
7	do	do	VERB	VB	VerbForm=Inf	5	xcomp	_	SpaceAfter=No
8	n't	not	PART	RB	Polarity=Neg	7	advmod	_	_
9	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	7	obl:unmarked	_	SpaceAfter=No
10	?	?	PUNCT	.	_	5	punct	_	SpaceAfter=No
11	»	»	PUNCT	''	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** *in a quote* | present | cars |  |  |  |  | Dev *vocative* | vn stop-55.4-1-1 «NP V S\_ING»: agent=Affector clause=Eventuality |
| 2 | **not** **do** *in a quote* | infinitive | cars *not said here* | cars *= car* |  |  |  |  | vn act-114-1 «NP V»: agent=Agent |

<!-- .note -->
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.

<!-- .note -->
*Sentence 2:* How far would a car at 30 mph travel before stopping?

```conllu
# sent_id = question:medicine:72-bike-helmets-and-roads:t7:2
# text = How far would a car at 30 mph travel before stopping?
1	How	how	ADV	WRB	PronType=Int	2	advmod	_	_
2	far	far	ADV	RB	Degree=Pos	5	advmod	_	_
3	would	would	AUX	MD	VerbForm=Fin	5	aux	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	car	car	NOUN	NN	Number=Sing	0	root	_	_
6	at	at	ADP	IN	_	9	case	_	_
7	30	30	NUM	CD	NumForm=Digit|NumType=Card	9	nummod	_	_
8	mph	mph	NOUN	NN	Number=Sing	9	compound	_	_
9	travel	travel	NOUN	NN	Number=Sing	5	nmod	_	_
10	before	before	SCONJ	IN	_	11	mark	_	_
11	stopping	stop	VERB	VBG	Tense=Pres|VerbForm=Part	9	acl	_	SpaceAfter=No
12	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | gerund | 30 mph travel *not said here* |  |  |  |  |  | vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality |

## The options {#options}

### Option 1 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
About 23 m

```conllu
# sent_id = question:medicine:72-bike-helmets-and-roads:t7:o1:1
# text = About 23 m
1	About	about	ADV	RB	_	2	advmod	_	_
2	23	23	NUM	CD	NumForm=Digit|NumType=Card	3	nummod	_	_
3	m	m	NOUN	NNS	Number=Plur	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 {#o2}

<!-- .ven lang=en -->
It stops instantly

```conllu
# sent_id = question:medicine:72-bike-helmets-and-roads:t7:o2:1
# text = It stops instantly
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	stops	stop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	instantly	instantly	ADV	RB	_	2	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | present | It |  |  |  |  | instantly *property* | vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
About half a metre

```conllu
# sent_id = question:medicine:72-bike-helmets-and-roads:t7:o3:1
# text = About half a metre
1	About	about	ADV	RB	_	2	advmod	_	_
2	half	half	DET	PDT	NumForm=Word|NumType=Frac|PronType=Ind	4	det:predet	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	metre	metre	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 {#o4}

<!-- .ven lang=en -->
About 2 m

```conllu
# sent_id = question:medicine:72-bike-helmets-and-roads:t7:o4:1
# text = About 2 m
1	About	about	ADV	RB	_	2	advmod	_	_
2	2	2	NUM	CD	NumForm=Digit|NumType=Card	3	nummod	_	_
3	m	m	NOUN	NNS	Number=Plur	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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**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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- ← previous: [Bike helmets and roads, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/72-bike-helmets-and-roads/t6/)
- next →: [Bike helmets and roads, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/medicine/72-bike-helmets-and-roads/t8/)
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