---
title: Given that each of four forest elephants bears two tusks, determine… — The Congo rainforest: gorillas, bonobo… · tree and pragmatics
description: Given that each of four forest elephants bears two tusks, determine the aggregate number of tusks. Exam question 4 of lesson 159 «The Congo rainforest: gorillas, bonobos, okapis and forest elephants» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the quest
---

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# Exam question 4 · The Congo rainforest: gorillas, bonobos, okapis and forest…

<!-- .ven lang=en -->
Given that each of four forest elephants bears two tusks, determine the aggregate number of tusks.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** each · **What happens:** give, determine · **To what, where:** aggregate number

<!-- .vabout -->
This is exam question 4 of lesson 159 «The Congo rainforest: gorillas, bonobos, okapis and forest elephants» 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/159-the-congo-rainforest/#e4).

## The question {#question}

```conllu
# sent_id = question:biology:159-the-congo-rainforest:e4:1
# text = Given that each of four forest elephants bears two tusks, determine the aggregate number of tusks.
1	Given	give	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
2	that	that	SCONJ	IN	_	12	mark	_	_
3	each	each	DET	DT	PronType=Tot	12	nsubj:outer	_	_
4	of	of	ADP	IN	_	8	case	_	_
5	four	four	NUM	CD	NumForm=Word|NumType=Card	8	nummod	_	_
6	forest	forest	NOUN	NN	Number=Sing	8	compound	_	_
7	elephants	elephant	NOUN	NNS	Number=Plur	8	compound	_	_
8	bears	bear	NOUN	NNS	Number=Plur	3	nmod	_	_
9	two	two	NUM	CD	NumForm=Word|NumType=Card	10	nummod	_	_
10	tusks	tusk	NOUN	NNS	Number=Plur	8	conj	_	SpaceAfter=No
11	,	,	PUNCT	,	_	3	punct	_	_
12	determine	determine	VERB	VB	VerbForm=Inf	1	advcl	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
14	aggregate	aggregate	NOUN	NN	Number=Sing	15	compound	_	_
15	number	number	NOUN	NN	Number=Sing	12	obj	_	_
16	of	of	ADP	IN	_	17	case	_	_
17	tusks	tusk	NOUN	NNS	Number=Plur	15	nmod	_	SpaceAfter=No
18	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | participle |  |  |  |  |  |  | vn break\_down-45.8 «NP V»: agent=Patient |
| 2 | **determine** | infinitive | each | the aggregate number of tusks |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent number=Topic |

<!-- .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 -->
Twelve

```conllu
# sent_id = question:biology:159-the-congo-rainforest:e4:o1:1
# text = Twelve
1	Twelve	twelve	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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

<!-- .ven lang=en -->
Eight

```conllu
# sent_id = question:biology:159-the-congo-rainforest:e4:o2:1
# text = Eight
1	Eight	eight	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
Sixteen

```conllu
# sent_id = question:biology:159-the-congo-rainforest:e4:o3:1
# text = Sixteen
1	Sixteen	sixteen	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 {#o4}

<!-- .ven lang=en -->
Four

```conllu
# sent_id = question:biology:159-the-congo-rainforest:e4:o4:1
# text = Four
1	Four	four	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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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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