---
title: «a train with no driver?? i'm not sitting at the front, it'll crash»… — Trains and the Underground · tree and pragmatics
description: «a train with no driver?? i'm not sitting at the front, it'll crash» What is right? Test 9 of lesson 21 «Trains and the Underground» of the technology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 9 · Trains and the Underground

<!-- .ven lang=en -->
«a train with no driver?? i'm not sitting at the front, it'll crash» What is right?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** i, front · **What happens:** not sit, crash, be · **To what, where:** driver, front, train

<!-- .vabout -->
This is test 9 of lesson 21 «Trains and the Underground» 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](https://md.mova.elamur.ai/free/en/school-run/technology/21-trains-and-the-underground/#t9).

## The question {#question}

```conllu
# sent_id = question:technology:21-trains-and-the-underground:t9:1
# text = «a train with no driver?? i'm not sitting at the front, it'll crash» What is right?
1	«	«	PUNCT	``	_	3	punct	_	SpaceAfter=No
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	train	train	NOUN	NN	Number=Sing	18	obl	_	_
4	with	with	ADP	IN	_	6	case	_	_
5	no	no	DET	DT	PronType=Neg	6	det	_	_
6	driver	driver	NOUN	NN	Number=Sing	3	nmod	_	SpaceAfter=No
7	??	??	PUNCT	.	_	11	punct	_	_
8	i	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	11	nsubj	_	SpaceAfter=No
9	'm	be	AUX	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	11	aux	_	_
10	not	not	PART	RB	Polarity=Neg	11	advmod	_	_
11	sitting	sit	VERB	VBG	Tense=Pres|VerbForm=Part	6	acl:relcl	_	_
12	at	at	ADP	IN	_	14	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	front	front	NOUN	NN	Number=Sing	11	obl	_	SpaceAfter=No
15	,	,	PUNCT	,	_	3	punct	_	_
16	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	18	nsubj	_	SpaceAfter=No
17	'll	will	AUX	MD	VerbForm=Fin	18	aux	_	_
18	crash	crash	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
19	»	»	PUNCT	''	_	18	punct	_	_
20	What	what	PRON	WP	PronType=Int	22	nsubj	_	_
21	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	22	cop	_	_
22	right	right	ADJ	JJ	Degree=Pos	18	ccomp	_	SpaceAfter=No
23	?	?	PUNCT	.	_	18	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **sit** *in a quote* | present · progressive | i | no driver *not said here* |  | the front |  |  | vn spatial\_configuration-47.6-1 «NP V NP.theme PP»: agent=Agent driver=Theme at front=Location |
| 2 | **crash** *in a quote* | future | front | a train with no driver |  |  |  |  | vn break-45.1 «NP.patient V»: agent=Patient |
| 3 | **is** | present |  |  |  |  |  | right *property* | tree rules |

<!-- .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.

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Someone hides inside the front to drive it secretly

```conllu
# sent_id = question:technology:21-trains-and-the-underground:t9:o1:1
# text = Someone hides inside the front to drive it secretly
1	Someone	someone	PRON	NN	Number=Sing|PronType=Ind	2	nsubj	_	_
2	hides	hide	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	inside	inside	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	front	front	NOUN	NN	Number=Sing	2	obl	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	drive	drive	VERB	VB	VerbForm=Inf	2	advcl	_	_
8	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	obj	_	_
9	secretly	secretly	ADV	RB	_	7	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hide** | present | Someone |  |  | the front |  |  | vn concealment-16-1 «NP V PP.location»: agent=Agent inside front=Location |
| 2 | **drive** | to-infinitive | Someone *not said here* | front |  |  |  | secretly *property* | vn nonvehicle-51.4.2-1 «NP V PP»: agent=Theme it=Trajectory |

### Option 2 {#o2}

<!-- .ven lang=en -->
Right, driverless trains are only tested with no people

```conllu
# sent_id = question:technology:21-trains-and-the-underground:t9:o2:1
# text = Right, driverless trains are only tested with no people
1	Right	right	ADJ	JJ	Degree=Pos	4	amod	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	driverless	driverless	ADJ	JJ	Degree=Pos	4	amod	_	_
4	trains	train	NOUN	NNS	Number=Plur	7	nsubj:pass	_	_
5	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	aux:pass	_	_
6	only	only	ADV	RB	_	7	advmod	_	_
7	tested	test	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
8	with	with	ADP	IN	_	10	case	_	_
9	no	no	DET	DT	PronType=Neg	10	det	_	_
10	people	people	NOUN	NNS	Number=Plur	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **test** | present · passive |  | Right driverless trains |  |  |  | with no people | vn assessment-34.1 «NP V NP»: subject=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
Right, it only works in cartoons

```conllu
# sent_id = question:technology:21-trains-and-the-underground:t9:o3:1
# text = Right, it only works in cartoons
1	Right	right	INTJ	UH	_	5	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
4	only	only	ADV	RB	_	5	advmod	_	_
5	works	work	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	cartoons	cartoon	NOUN	NNS	Number=Plur	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **work** | present | it |  |  |  |  | in cartoons | vn employment-95.3 «NP V PP.theme»: agent=Agent in cartoon=Theme |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Computers drive it using signals from the track, and the DLR has done it since 1987

<!-- fold The tree, 16 words -->
```conllu
# sent_id = question:technology:21-trains-and-the-underground:t9:o4:1
# text = Computers drive it using signals from the track, and the DLR has done it since 1987
1	Computers	computer	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	drive	drive	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	obj	_	_
4	using	use	VERB	VBG	Tense=Pres|VerbForm=Part	2	advcl	_	_
5	signals	signal	NOUN	NNS	Number=Plur	4	obj	_	_
6	from	from	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	track	track	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
9	,	,	PUNCT	,	_	14	punct	_	_
10	and	and	CCONJ	CC	_	14	cc	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	DLR	DLR	PROPN	NNP	Number=Sing	14	nsubj	_	_
13	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	aux	_	_
14	done	do	VERB	VBN	Tense=Past|VerbForm=Part	2	advcl	_	_
15	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	obj	_	_
16	since	since	ADP	IN	_	17	case	_	_
17	1987	1987	NUM	CD	NumForm=Digit|NumType=Card	14	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **drive** | present | Computers | it |  |  |  |  | vn nonvehicle-51.4.2-1 «NP V PP»: agent=Theme it=Trajectory |
| 2 | **use** | gerund | Computers *not said here* | signals |  | the track |  |  | vn eat-39.1 «NP V NP»: agent=Agent signal=Patient |
| 3 | **do** | present · perfect | the DLR | track |  |  | since 1987 |  | vn act-114-1 «NP V NP»: agent=Agent it=Eventuality |

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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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