---
title: Why do people take off their backpacks on a crowded train? — Trains, the Underground and subways · tree and pragmatics
description: Why do people take off their backpacks on a crowded train? Test 9 · ★ of lesson 270 «Trains, the Underground and subways» of the everyday course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/everyday/270-trains-and-subways/t9/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Everyday](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/) / [Trains, the Underground and subways](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/270-trains-and-subways/) / t9

# Test 9 · ★ · Trains, the Underground and subways

<!-- .ven lang=en -->
Why do people take off their backpacks on a crowded train?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** people · **What happens:** take off · **To what, where:** backpacks, crowded train

<!-- .vabout -->
This is test 9 · ★ of lesson 270 «Trains, the Underground and subways» 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](https://md.mova.elamur.ai/free/en/school-run/everyday/270-trains-and-subways/#t9).

## The question {#question}

```conllu
# sent_id = question:everyday:270-trains-and-subways:t9:1
# text = Why do people take off their backpacks on a crowded train?
1	Why	why	ADV	WRB	PronType=Int	4	advmod	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	people	people	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	take	take	VERB	VB	VerbForm=Inf	0	root	_	_
5	off	off	ADP	RP	_	4	compound:prt	_	_
6	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	backpacks	backpack	NOUN	NNS	Number=Plur	4	obj	_	_
8	on	on	ADP	IN	_	11	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	crowded	crowded	ADJ	JJ	Degree=Pos	11	amod	_	_
11	train	train	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
12	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **take off** | present · do-support | people | people's backpacks |  | a crowded train |  |  | vn remove-10.1 «NP V NP»: agent=Agent backpack=Theme |

<!-- .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 -->
It makes the train lighter

```conllu
# sent_id = question:everyday:270-trains-and-subways:t9:o1:1
# text = It makes the train lighter
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	train	train	NOUN	NN	Number=Sing	2	obj	_	_
5	lighter	light	ADJ	JJR	Degree=Cmp	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | It | the train |  |  |  | light *property* | vn build-26.1-1 «NP.material V NP»: agent=Material train=Product |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
It gives others more space

```conllu
# sent_id = question:everyday:270-trains-and-subways:t9:o2:1
# text = It gives others more space
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	gives	give	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	others	other	NOUN	NNS	Number=Plur	2	iobj	_	_
4	more	more	ADJ	JJR	Degree=Cmp	5	amod	_	_
5	space	space	NOUN	NN	Number=Sing	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present | It | more space | others |  |  |  | vn give-13.1-1 «NP V NP-Dative NP»: agent=Agent other=Recipient space=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
Backpacks are not allowed on trains

```conllu
# sent_id = question:everyday:270-trains-and-subways:t9:o3:1
# text = Backpacks are not allowed on trains
1	Backpacks	backpack	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	allowed	allow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	on	on	ADP	IN	_	6	case	_	_
6	trains	train	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **allow** | present · passive |  | Backpacks |  | trains |  |  | vn allow-64.1-1 «NP V NP»: subject=Beneficiary |

### Option 4 {#o4}

<!-- .ven lang=en -->
The train is too warm

```conllu
# sent_id = question:everyday:270-trains-and-subways:t9:o4:1
# text = The train is too warm
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	train	train	NOUN	NN	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	too	too	ADV	RB	_	5	advmod	_	_
5	warm	warm	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the train |  |  |  |  | warm *property* | tree rules |

<!-- div src -->

**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.

<!-- /div -->

<!-- pn -->
- ← previous: [Trains, the Underground and subways, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/270-trains-and-subways/t8/)
- next →: [Trains, the Underground and subways, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/270-trains-and-subways/t10/)
- ↑ back to [Trains, the Underground and subways](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/270-trains-and-subways/)