---
title: A boy in Ohio sees his ball roll under the school bus. What is the s… — Crash forces, school buses and public… · tree and pragmatics
description: A boy in Ohio sees his ball roll under the school bus. What is the safest choice? Test 1 · ★ of lesson 269 «Crash forces, school buses and public buses» 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 wron
---

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# Test 1 · ★ · Crash forces, school buses and public buses

<!-- .ven lang=en -->
A boy in Ohio sees his ball roll under the school bus. What is the safest choice?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 1 · wrong ✗ · **Who acts:** boy, safest choice · **What happens:** see, roll, be · **To what, where:** ball roll, school bus

<!-- .vabout -->
This is test 1 · ★ of lesson 269 «Crash forces, school buses and public buses» 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/269-school-buses-and-public-buses/#t1).

## The question {#question}

<!-- .note -->
*Sentence 1:* A boy in Ohio sees his ball roll under the school bus.

```conllu
# sent_id = question:everyday:269-school-buses-and-public-buses:t1:1
# text = A boy in Ohio sees his ball roll under the school bus.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	boy	boy	NOUN	NN	Number=Sing	5	nsubj	_	_
3	in	in	ADP	IN	_	4	case	_	_
4	Ohio	Ohio	PROPN	NNP	Number=Sing	2	nmod	_	_
5	sees	see	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
7	ball	ball	NOUN	NN	Number=Sing	8	compound	_	_
8	roll	roll	NOUN	NN	Number=Sing	5	obj	_	_
9	under	under	ADP	IN	_	12	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
11	school	school	NOUN	NN	Number=Sing	12	compound	_	_
12	bus	bus	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
13	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **see** | present | a boy in Ohio | boy's ball roll |  | the school bus |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer roll=Stimulus |
| 2 | **roll** |  | boy |  |  |  |  |  | nom roll «event transitive»: poss=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:* What is the safest choice?

```conllu
# sent_id = question:everyday:269-school-buses-and-public-buses:t1:2
# text = What is the safest choice?
1	What	what	PRON	WP	PronType=Int	0	root	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	safest	safe	ADJ	JJS	Degree=Sup	5	amod	_	_
5	choice	choice	NOUN	NN	Number=Sing	1	nsubj	_	SpaceAfter=No
6	?	?	PUNCT	.	_	1	punct	_	_
```

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

## The options {#options}

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

<!-- .ven lang=en -->
Stay back and tell the driver at once

```conllu
# sent_id = question:everyday:269-school-buses-and-public-buses:t1:o1:1
# text = Stay back and tell the driver at once
1	Stay	stay	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	back	back	ADV	RB	_	1	advmod	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	tell	tell	VERB	VB	Mood=Imp|VerbForm=Fin	1	conj	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	driver	driver	NOUN	NN	Number=Sing	4	iobj	_	_
7	at	at	ADP	IN	_	8	case	_	_
8	once	once	ADV	RB	NumForm=Word|NumType=Mult	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stay back** | imperative | you *not said here* |  |  |  |  |  | vn exist-47.1 «NP V»: agent=Theme |
| 2 | **tell** *speech: assert* | infinitive | you *not said here* |  | the driver |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent driver=Recipient |

### Option 2 {#o2}

<!-- .ven lang=en -->
Reach under quickly before the bus moves

```conllu
# sent_id = question:everyday:269-school-buses-and-public-buses:t1:o2:1
# text = Reach under quickly before the bus moves
1	Reach	reach	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	under	under	ADP	IN	_	3	case	_	_
3	quickly	quickly	ADV	RB	_	1	obl	_	_
4	before	before	SCONJ	IN	_	7	mark	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	bus	bus	NOUN	NN	Number=Sing	7	nsubj	_	_
7	moves	move	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reach** | imperative | you *not said here* |  |  |  |  |  | vn body\_motion-49.2-1-1 «NP V»: agent=Agent |
| 2 | **move** | present | the bus |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
Ask a friend to watch the driver while he reaches

```conllu
# sent_id = question:everyday:269-school-buses-and-public-buses:t1:o3:1
# text = Ask a friend to watch the driver while he reaches
1	Ask	ask	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	friend	friend	NOUN	NN	Number=Sing	1	obj	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	watch	watch	VERB	VB	VerbForm=Inf	1	xcomp	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	driver	driver	NOUN	NN	Number=Sing	5	obj	_	_
8	while	while	SCONJ	IN	_	10	mark	_	_
9	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	10	nsubj	_	_
10	reaches	reach	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ask** *speech: ask* | imperative | you *not said here* |  | a friend |  |  |  | vn inquire-37.1.2 «NP V NP whether S\_INF»: agent=Agent friend=Recipient clause=Topic |
| 2 | **watch** *not said to happen* | to-infinitive | you *not said here* | the driver |  |  |  |  | vn assessment-34.1 «NP V NP»: agent=Agent driver=Theme |
| 3 | **reach** | present | driver |  |  |  |  |  | vn body\_motion-49.2-1-1 «NP V»: agent=Agent |

### Option 4 · ← Mova's choice {#o4}

<!-- .ven lang=en -->
Wait for the bus to leave and then chase the ball

```conllu
# sent_id = question:everyday:269-school-buses-and-public-buses:t1:o4:1
# text = Wait for the bus to leave and then chase the ball
1	Wait	wait	VERB	VB	VerbForm=Inf	0	root	_	_
2	for	for	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	bus	bus	NOUN	NN	Number=Sing	1	obl	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	leave	leave	VERB	VB	VerbForm=Inf	1	advcl	_	_
7	and	and	CCONJ	CC	_	9	cc	_	_
8	then	then	ADV	RB	PronType=Dem	9	advmod	_	_
9	chase	chase	VERB	VB	VerbForm=Inf	1	conj	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	ball	ball	NOUN	NN	Number=Sing	9	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **wait** | imperative | you *not said here* |  |  |  |  | for the bus | vn exist-47.1 «NP V»: agent=Theme |
| 2 | **leave** | to-infinitive | you *not said here* |  |  |  |  |  | vn escape-51.1-1-1 «NP V»: agent=Theme |
| 3 | **chase** | infinitive | you *not said here* | the ball |  |  | then |  | vn chase-51.6 «NP V NP»: agent=Agent ball=Theme |

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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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