---
title: Identify the principal reason for which termite fishing by chimpanze… — Clever primates: tool-using chimps, Ka… · tree and pragmatics
description: Identify the principal reason for which termite fishing by chimpanzees is regarded as tool manufacture. Exam question 1 of lesson 387 «Clever primates: tool-using chimps, Kanzi the bonobo and Ayumu's memory» of the biology course of Mova's primary school, with the dependency tree and pragmatics of t
---

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# Exam question 1 · Clever primates: tool-using chimps, Kanzi the bonobo and A…

<!-- .ven lang=en -->
Identify the principal reason for which termite fishing by chimpanzees is regarded as tool manufacture.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you, chimpanzees · **What happens:** identify, regard, fish · **To what, where:** principal reason, termite fishing

<!-- .vabout -->
This is exam question 1 of lesson 387 «Clever primates: tool-using chimps, Kanzi the bonobo and Ayumu's memory» 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/387-clever-primates-tool-using-chimps-kanzi-the-bonobo-and-ayumu-s-memory/#e1).

## The question {#question}

```conllu
# sent_id = question:biology:387-clever-primates-tool-using-chimps-kanzi-the-bonobo-and-ayumu-s-memory:e1:1
# text = Identify the principal reason for which termite fishing by chimpanzees is regarded as tool manufacture.
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	termite	termite	NOUN	NN	Number=Sing	8	compound	_	_
8	fishing	fishing	NOUN	NN	Number=Sing	12	nsubj:pass	_	_
9	by	by	ADP	IN	_	10	case	_	_
10	chimpanzees	chimpanzee	NOUN	NNS	Number=Plur	8	nmod	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	aux:pass	_	_
12	regarded	regard	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl:relcl	_	_
13	as	as	ADP	IN	_	15	case	_	_
14	tool	tool	NOUN	NN	Number=Sing	15	compound	_	_
15	manufacture	manufacture	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 | **regard** | present · passive |  | termite fishing by chimpanzees |  |  |  | for the principal reason; as tool manufacture | vn assessment-34.1 «NP V NP PP.attribute»: subject=Theme for which=Attribute |
| 3 | **fish** |  | chimpanzees |  |  |  |  |  | nom fishing «act transitive»: by=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 -->
The termites themselves construct the implement for the chimpanzee

```conllu
# sent_id = question:biology:387-clever-primates-tool-using-chimps-kanzi-the-bonobo-and-ayumu-s-memory:e1:o1:1
# text = The termites themselves construct the implement for the chimpanzee
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	termites	termite	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	themselves	themselves	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs|Reflex=Yes	2	nmod	_	_
4	construct	construct	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	implement	implement	NOUN	NN	Number=Sing	4	obj	_	_
7	for	for	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	chimpanzee	chimpanzee	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **construct** | present | the termites  termites | the implement |  |  |  | for the chimpanzee | vn create-26.4 «NP V NP PP.beneficiary»: agent=Agent implement=Result for chimpanzee=Beneficiary |

### Option 2 {#o2}

<!-- .ven lang=en -->
The stem is employed without any alteration

```conllu
# sent_id = question:biology:387-clever-primates-tool-using-chimps-kanzi-the-bonobo-and-ayumu-s-memory:e1:o2:1
# text = The stem is employed without any alteration
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	stem	stem	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	employed	employ	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	without	without	ADP	IN	_	7	case	_	_
6	any	any	DET	DT	PronType=Ind	7	det	_	_
7	alteration	alteration	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **employ** | present · passive |  | the stem |  |  |  | without any alteration | vn hire-13.5.3 «NP V NP»: subject=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
The behaviour is confined to captive animals

```conllu
# sent_id = question:biology:387-clever-primates-tool-using-chimps-kanzi-the-bonobo-and-ayumu-s-memory:e1:o3:1
# text = The behaviour is confined to captive animals
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	behaviour	behaviour	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	confined	confine	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	to	to	ADP	IN	_	7	case	_	_
6	captive	captive	ADJ	JJ	Degree=Pos	7	amod	_	_
7	animals	animal	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **confine** | present · passive |  | the behaviour | captive animals |  |  |  | vn confine-92-1 «NP V NP PP.destination»: subject=Theme to animal=Destination |

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

<!-- .ven lang=en -->
The animal modifies the stem by stripping its leaves prior to use

```conllu
# sent_id = question:biology:387-clever-primates-tool-using-chimps-kanzi-the-bonobo-and-ayumu-s-memory:e1:o4:1
# text = The animal modifies the stem by stripping its leaves prior to use
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	animal	animal	NOUN	NN	Number=Sing	3	nsubj	_	_
3	modifies	modify	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	stem	stem	NOUN	NN	Number=Sing	3	obj	_	_
6	by	by	SCONJ	IN	_	7	mark	_	_
7	stripping	strip	VERB	VBG	Tense=Pres|VerbForm=Part	3	advcl	_	_
8	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	_	_
9	leaves	leaf	NOUN	NNS	Number=Plur	7	obj	_	_
10	prior	prior	ADJ	JJ	Degree=Pos|ExtPos=ADP	7	xcomp	_	_
11	to	to	PART	TO	_	12	mark	_	_
12	use	use	VERB	VB	VerbForm=Inf	10	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **modify** | present | the animal | the stem |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent stem=Patient |
| 2 | **strip** | gerund | the animal *not said here* | animal's leaves |  |  |  | prior *property* | vn dress-41.1.1-1-1 «NP V NP»: agent=Agent leaf=Patient |
| 3 | **use** | to-infinitive | the animal *not said here* |  |  |  |  |  | vn eat-39.1 «NP V»: agent=Agent |

<!-- 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 -->

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