---
title: Why should a child step back from the platform edge when a fast trai… — Buses, trains and being seen · tree and pragmatics
description: Why should a child step back from the platform edge when a fast train is passing? Test 5 of lesson 43 «Buses, trains and being seen» 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 wrong.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/everyday/43-buses-trains-and-being-seen/t5/)

<!-- 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/) / [Buses, trains and being seen](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/43-buses-trains-and-being-seen/) / t5

# Test 5 · Buses, trains and being seen

<!-- .ven lang=en -->
Why should a child step back from the platform edge when a fast train is passing?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 4 · wrong ✗ · **Who acts:** child, fast train · **What happens:** step back, pass · **To what, where:** platform edge

<!-- .vabout -->
This is test 5 of lesson 43 «Buses, trains and being seen» 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/43-buses-trains-and-being-seen/#t5).

## The question {#question}

```conllu
# sent_id = question:everyday:43-buses-trains-and-being-seen:t5:1
# text = Why should a child step back from the platform edge when a fast train is passing?
1	Why	why	ADV	WRB	PronType=Int	5	advmod	_	_
2	should	should	AUX	MD	VerbForm=Fin	5	aux	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	child	child	NOUN	NN	Number=Sing	5	nsubj	_	_
5	step	step	VERB	VB	VerbForm=Inf	0	root	_	_
6	back	back	ADV	RB	_	5	advmod	_	_
7	from	from	ADP	IN	_	10	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
9	platform	platform	NOUN	NN	Number=Sing	10	compound	_	_
10	edge	edge	NOUN	NN	Number=Sing	5	obl	_	_
11	when	when	SCONJ	WRB	_	16	mark	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
13	fast	fast	ADJ	JJ	Degree=Pos	14	amod	_	_
14	train	train	NOUN	NN	Number=Sing	16	nsubj	_	_
15	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	aux	_	_
16	passing	pass	VERB	VBG	Tense=Pres|VerbForm=Part	5	advcl	_	SpaceAfter=No
17	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **step back** | should | a child |  |  | the platform edge |  |  | vn run-51.3.2 «NP V PP.location»: agent=Theme from edge=Trajectory |
| 2 | **pass** | present · progressive | a fast train |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=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 -->
The platform edge is only for staff

```conllu
# sent_id = question:everyday:43-buses-trains-and-being-seen:t5:o1:1
# text = The platform edge is only for staff
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	platform	platform	NOUN	NN	Number=Sing	3	compound	_	_
3	edge	edge	NOUN	NN	Number=Sing	7	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
5	only	only	ADV	RB	_	7	advmod	_	_
6	for	for	ADP	IN	_	7	case	_	_
7	staff	staff	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
Fast trains are always about to stop at the platform, so you must make room for them

<!-- fold The tree, 17 words -->
```conllu
# sent_id = question:everyday:43-buses-trains-and-being-seen:t5:o2:1
# text = Fast trains are always about to stop at the platform, so you must make room for them
1	Fast	fast	ADJ	JJ	Degree=Pos	2	amod	_	_
2	trains	train	NOUN	NNS	Number=Plur	5	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	always	always	ADV	RB	PronType=Tot	5	advmod	_	_
5	about	about	ADJ	JJ	Degree=Pos	0	root	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	stop	stop	VERB	VB	VerbForm=Inf	5	xcomp	_	_
8	at	at	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	platform	platform	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
11	,	,	PUNCT	,	_	15	punct	_	_
12	so	so	ADV	RB	_	15	advmod	_	_
13	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	15	nsubj	_	_
14	must	must	AUX	MD	VerbForm=Fin	15	aux	_	_
15	make	make	VERB	VB	VerbForm=Inf	5	conj	_	_
16	room	room	NOUN	NN	Number=Sing	15	obj	_	_
17	for	for	ADP	IN	_	18	case	_	_
18	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	15	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Fast trains |  |  |  |  | about, always *property* | tree rules |
| 2 | **stop** | to-infinitive | Fast trains *not said here* |  |  | the platform |  |  | vn lodge-46 «NP V PP.location»: agent=Theme at platform=Location |
| 3 | **make** | must | you | room |  |  |  | for trains *= train* | vn build-26.1-1 «NP V NP P.asset»: agent=Agent room=Product for they=Asset |

### Option 3 {#o3}

<!-- .ven lang=en -->
Trains spray water when they pass

```conllu
# sent_id = question:everyday:43-buses-trains-and-being-seen:t5:o3:1
# text = Trains spray water when they pass
1	Trains	train	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	spray	spray	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	water	water	NOUN	NN	Number=Sing	2	obj	_	_
4	when	when	ADV	WRB	PronType=Int	6	advmod	_	_
5	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	6	nsubj	_	_
6	pass	pass	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **spray** | present | Trains | water |  |  |  |  | vn spray-9.7-1 «NP V NP.theme»: agent=Agent water=Theme |
| 2 | **pass** | present | Trains *= train* |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
The rush of air and the train itself can pull or hit someone close

```conllu
# sent_id = question:everyday:43-buses-trains-and-being-seen:t5:o4:1
# text = The rush of air and the train itself can pull or hit someone close
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	rush	rush	NOUN	NN	Number=Sing	10	nsubj	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	air	air	NOUN	NN	Number=Sing	2	nmod	_	_
5	and	and	CCONJ	CC	_	7	cc	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	train	train	NOUN	NN	Number=Sing	2	nmod	_	_
8	itself	itself	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Emp|Reflex=Yes	7	nmod:unmarked	_	_
9	can	can	AUX	MD	VerbForm=Fin	10	aux	_	_
10	pull	pull	VERB	VB	VerbForm=Inf	0	root	_	_
11	or	or	CCONJ	CC	_	12	cc	_	_
12	hit	hit	VERB	VB	VerbForm=Inf	10	conj	_	_
13	someone	someone	PRON	NN	Number=Sing|PronType=Ind	12	obj	_	_
14	close	close	ADJ	JJ	Degree=Pos	12	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pull** | can | the rush of air  the train  rush |  |  |  |  |  | vn slide-11.2 «NP V»: agent=Theme |
| 2 | **hit** | infinitive | the rush of air  the train  rush *not said here* | someone |  |  |  | close *property* | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme someone=Co-Theme |
| 3 | **rush** |  |  | air |  |  |  |  | nom rush «act transitive»: of=patient |

<!-- 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: [Buses, trains and being seen, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/43-buses-trains-and-being-seen/t4/)
- next →: [Buses, trains and being seen, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/43-buses-trains-and-being-seen/t6/)
- ↑ back to [Buses, trains and being seen](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/43-buses-trains-and-being-seen/)