---
title: State the principal purpose of the fence extending more than five th… — The Australian walkabout: kangaroos, e… · tree and pragmatics
description: State the principal purpose of the fence extending more than five thousand kilometres across Australia. Exam question 4 of lesson 103 «The Australian walkabout: kangaroos, emus, wallabies and dingoes» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the ques
---

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# Exam question 4 · The Australian walkabout: kangaroos, emus, wallabies and d…

<!-- .ven lang=en -->
State the principal purpose of the fence extending more than five thousand kilometres across Australia.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** fence · **What happens:** extend, purpose · **To what, where:** thousand kilometres, Australia

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This is exam question 4 of lesson 103 «The Australian walkabout: kangaroos, emus, wallabies and dingoes» of the biology 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/biology/103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes/#e4).

## The question {#question}

```conllu
# sent_id = question:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes:e4:1
# text = State the principal purpose of the fence extending more than five thousand kilometres across Australia.
1	State	state	NOUN	NN	Number=Sing	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	purpose	purpose	NOUN	NN	Number=Sing	1	appos	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	fence	fence	NOUN	NN	Number=Sing	4	nmod	_	_
8	extending	extend	VERB	VBG	VerbForm=Ger	7	acl	_	_
9	more	more	ADJ	JJR	Degree=Cmp|ExtPos=ADV	12	advmod	_	_
10	than	than	ADP	IN	_	9	fixed	_	_
11	five	five	NUM	CD	NumForm=Word|NumType=Card	12	compound	_	_
12	thousand	thousand	NUM	CD	NumForm=Word|NumType=Card	13	nummod	_	_
13	kilometres	kilometre	NOUN	NNS	Number=Plur	8	obl:unmarked	_	_
14	across	across	ADP	IN	_	15	case	_	_
15	Australia	Australia	PROPN	NNP	Number=Sing	8	obl	_	SpaceAfter=No
16	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **extend** | gerund | the fence *not said here* | thousand kilometres |  | Australia |  |  | vn body\_motion-49.2-1 «NP V PP»: agent=Agent across australia=Path |
| 2 | **purpose** |  | the fence |  |  |  |  |  | nom purpose «cognition intransitive»: of=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.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
To confine emus to the coast

```conllu
# sent_id = question:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes:e4:o1:1
# text = To confine emus to the coast
1	To	to	PART	TO	_	2	mark	_	_
2	confine	confine	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	emus	emu	NOUN	NNS	Number=Plur	2	obj	_	_
4	to	to	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	coast	coast	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **confine** | to-infinitive |  | emus |  | the coast |  |  | vn confine-92-1 «NP V NP PP.destination»: agent=Agent emu=Theme to coast=Destination |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
To exclude dingoes from the sheep-farming regions

```conllu
# sent_id = question:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes:e4:o2:1
# text = To exclude dingoes from the sheep-farming regions
1	To	to	PART	TO	_	2	mark	_	_
2	exclude	exclude	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	dingoes	dingo	NOUN	NNS	Number=Plur	2	obj	_	_
4	from	from	ADP	IN	_	9	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
6	sheep	sheep	NOUN	NN	Number=Sing	8	compound	_	SpaceAfter=No
7	-	-	PUNCT	HYPH	_	6	punct	_	SpaceAfter=No
8	farming	farming	NOUN	NN	Number=Sing	9	compound	_	_
9	regions	region	NOUN	NNS	Number=Plur	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **exclude** | to-infinitive |  |  | dingoes | the farming regions |  |  | vn forbid-64.4-1 «NP V NP PP.theme»: agent=Causer dingo=Beneficiary from region=Eventuality |

### Option 3 {#o3}

<!-- .ven lang=en -->
To mark the boundary between two states

```conllu
# sent_id = question:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes:e4:o3:1
# text = To mark the boundary between two states
1	To	to	PART	TO	_	2	mark	_	_
2	mark	mark	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	boundary	boundary	NOUN	NN	Number=Sing	2	obj	_	_
5	between	between	ADP	IN	_	7	case	_	_
6	two	two	NUM	CD	NumForm=Word|NumType=Card	7	nummod	_	_
7	states	state	NOUN	NNS	Number=Plur	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **mark** | to-infinitive |  | the boundary |  | two states |  |  | vn image\_impression-25.1 «NP V NP.theme PP.destination»: agent=Agent boundary=Theme between state=Destination |

### Option 4 {#o4}

<!-- .ven lang=en -->
To prevent kangaroos from crossing the highways at night

```conllu
# sent_id = question:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes:e4:o4:1
# text = To prevent kangaroos from crossing the highways at night
1	To	to	PART	TO	_	2	mark	_	_
2	prevent	prevent	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	kangaroos	kangaroo	NOUN	NNS	Number=Plur	2	obj	_	_
4	from	from	SCONJ	IN	_	5	mark	_	_
5	crossing	cross	VERB	VBG	Tense=Pres|VerbForm=Part	2	advcl	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	highways	highway	NOUN	NNS	Number=Plur	5	obj	_	_
8	at	at	ADP	IN	_	9	case	_	_
9	night	night	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **prevent** | to-infinitive |  | kangaroos |  |  |  |  | vn forbid-64.4-1 «NP V NP»: agent=Causer kangaroo=Theme |
| 2 | **cross** | gerund |  | the highways |  |  | night |  | vn crane-40.3.2 «NP V NP»: agent=Agent highway=Patient |

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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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- ← previous: [The Australian walkabout: kangaroos, e…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes/e3/)
- next →: [Koalas, wombats, Tasmanian devils and…, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/104-koalas-wombats-tasmanian-devils-and-the-platypus/t1/)
- ↑ back to [The Australian walkabout: kangaroos, emus, wallabies and dingoes](https://md.mova.elamur.ai/free/en/corpora/questions/biology/103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes/)