---
title: Identify the principal reason for which a lost person ought to remai… — What to do if you are lost · tree and pragmatics
description: Identify the principal reason for which a lost person ought to remain in one place. Exam question 2 of lesson 17 «What to do if you are lost» 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.
---

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# Exam question 2 · What to do if you are lost

<!-- .ven lang=en -->
Identify the principal reason for which a lost person ought to remain in one place.

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** you, lost person · **What happens:** identify, lose, remain · **To what, where:** principal reason, one place

<!-- .vabout -->
This is exam question 2 of lesson 17 «What to do if you are lost» of the everyday course of Mova's primary school, asked in stiff, formal language. 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/17-if-you-are-lost/#e2).

## The question {#question}

```conllu
# sent_id = question:everyday:17-if-you-are-lost:e2:1
# text = Identify the principal reason for which a lost person ought to remain in one place.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	which	which	PRON	WDT	PronType=Rel	12	obl	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	lost	lose	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	amod	_	_
9	person	person	NOUN	NN	Number=Sing	12	nsubj	_	_
10	ought	ought	AUX	MD	VerbForm=Fin	12	aux	_	_
11	to	to	PART	TO	_	12	mark	_	_
12	remain	remain	VERB	VB	VerbForm=Inf	4	parataxis	_	_
13	in	in	ADP	IN	_	15	case	_	_
14	one	one	NUM	CD	NumForm=Word|NumType=Card	15	nummod	_	_
15	place	place	NOUN	NN	Number=Sing	12	obl	_	SpaceAfter=No
16	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the principal reason |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=Theme |
| 2 | **lose** | participle |  |  |  |  |  |  | vn succeed-74-3-1 «NP V»: agent=Agent |
| 3 | **remain** | ought | a lost person |  |  | one place |  | for the principal reason | vn exist-47.1 «NP V PP.location»: agent=Theme in place=Location |

<!-- .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 -->
A person who remains still uses no energy at all and needs no food

```conllu
# sent_id = question:everyday:17-if-you-are-lost:e2:o1:1
# text = A person who remains still uses no energy at all and needs no food
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	person	person	NOUN	NN	Number=Sing	6	nsubj	_	_
3	who	who	PRON	WP	PronType=Rel	4	nsubj	_	_
4	remains	remain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	acl:relcl	_	_
5	still	still	ADV	RB	_	4	advmod	_	_
6	uses	use	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
7	no	no	DET	DT	PronType=Neg	8	det	_	_
8	energy	energy	NOUN	NN	Number=Sing	6	obj	_	_
9	at	at	ADP	IN	_	10	case	_	_
10	all	all	DET	DT	PronType=Tot	8	nmod	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	needs	need	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	conj	_	_
13	no	no	DET	DT	PronType=Neg	14	det	_	_
14	food	food	NOUN	NN	Number=Sing	12	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **remain** | present | a person |  |  |  | still |  | vn exist-47.1 «NP V»: agent=Theme |
| 2 | **use** | present | a person | no energy |  | all |  |  | vn eat-39.1 «NP V NP»: agent=Agent energy=Patient |
| 3 | **need** | present | a person *not said here* | no food |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot food=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
A person who stays put is obliged to wait less than an hour

```conllu
# sent_id = question:everyday:17-if-you-are-lost:e2:o2:1
# text = A person who stays put is obliged to wait less than an hour
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	person	person	NOUN	NN	Number=Sing	7	nsubj:pass	_	_
3	who	who	PRON	WP	PronType=Rel	4	nsubj	_	_
4	stays	stay	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	acl:relcl	_	_
5	put	put	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	xcomp	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	aux:pass	_	_
7	obliged	oblige	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
8	to	to	PART	TO	_	9	mark	_	_
9	wait	wait	VERB	VB	VerbForm=Inf	7	xcomp	_	_
10	less	less	ADJ	JJR	Degree=Cmp	9	obj	_	_
11	than	than	ADP	IN	_	13	case	_	_
12	an	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
13	hour	hour	NOUN	NN	Number=Sing	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stay** | present | a person |  |  |  |  |  | tree rules |
| 2 | **put** | participle | a person *not said here* |  |  |  |  |  | vn invest-13.5.4-1 «NP V PP»: agent=Agent |
| 3 | **oblige** | present · passive |  | a person |  |  |  |  | vn compel-59.1-1 «NP V NP S\_INF»: subject=Patient clause=Result |
| 4 | **wait** | to-infinitive |  | less |  |  | hour |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
A person who walks becomes invisible to cameras

```conllu
# sent_id = question:everyday:17-if-you-are-lost:e2:o3:1
# text = A person who walks becomes invisible to cameras
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	person	person	NOUN	NN	Number=Sing	5	nsubj	_	_
3	who	who	PRON	WP	PronType=Rel	4	nsubj	_	_
4	walks	walk	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	acl:relcl	_	_
5	becomes	become	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	invisible	invisible	ADJ	JJ	Degree=Pos	5	xcomp	_	_
7	to	to	ADP	IN	_	8	case	_	_
8	cameras	camera	NOUN	NNS	Number=Plur	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **walk** | present | a person |  |  |  |  |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |
| 2 | **become** | present | a person |  |  |  |  | invisible *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |

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

<!-- .ven lang=en -->
A person who is in motion is more difficult for searchers to find

```conllu
# sent_id = question:everyday:17-if-you-are-lost:e2:o4:1
# text = A person who is in motion is more difficult for searchers to find
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	person	person	NOUN	NN	Number=Sing	9	nsubj	_	_
3	who	who	PRON	WP	PronType=Rel	4	nsubj	_	_
4	is	be	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	acl:relcl	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	motion	motion	NOUN	NN	Number=Sing	4	obl	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
8	more	more	ADV	RBR	Degree=Cmp	9	advmod	_	_
9	difficult	difficult	ADJ	JJ	Degree=Pos	0	root	_	_
10	for	for	ADP	IN	_	11	case	_	_
11	searchers	searcher	NOUN	NNS	Number=Plur	9	obl	_	_
12	to	to	PART	TO	_	13	mark	_	_
13	find	find	VERB	VB	VerbForm=Inf	9	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **be** | present | a person |  |  | motion |  |  | vn exist-47.1 «NP V PP.location»: agent=Theme in motion=Location |
| 2 | **is** | present | a person |  |  |  |  | for searchers; difficult *property* | tree rules |
| 3 | **find** | to-infinitive | a person *not said here* |  |  |  |  |  | vn declare-29.4-1-1 «NP V what S\_INF»: agent=Agent |

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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.

<!-- /div -->

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