---
title: Ascertain the benefit derived by each party in the association betwe… — Team players and partners: meerkats, n… · tree and pragmatics
description: Ascertain the benefit derived by each party in the association between the cleaner wrasse and its larger client fish. Exam question 4 of lesson 241 «Team players and partners: meerkats, naked mole rats, huddles, cleaners (and do lemmings jump?)» of the biology course of Mova's primary school, with t
---

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# Exam question 4 · Team players and partners: meerkats, naked mole rats, hudd…

<!-- .ven lang=en -->
Ascertain the benefit derived by each party in the association between the cleaner wrasse and its larger client fish.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you · **What happens:** ascertain, derive · **To what, where:** benefit, association

<!-- .vabout -->
This is exam question 4 of lesson 241 «Team players and partners: meerkats, naked mole rats, huddles, cleaners (and do lemmings jump?)» 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/241-team-players-and-partners-meerkats-naked-mole-rats-huddles-cleaners-and-lemmings/#e4).

## The question {#question}

```conllu
# sent_id = question:biology:241-team-players-and-partners-meerkats-naked-mole-rats-huddles-cleaners-and-lemmings:e4:1
# text = Ascertain the benefit derived by each party in the association between the cleaner wrasse and its larger client fish.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	benefit	benefit	NOUN	NN	Number=Sing	1	obj	_	_
4	derived	derive	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl	_	_
5	by	by	ADP	IN	_	7	case	_	_
6	each	each	DET	DT	PronType=Tot	7	det	_	_
7	party	party	NOUN	NN	Number=Sing	4	obl	_	_
8	in	in	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	association	association	NOUN	NN	Number=Sing	4	obl	_	_
11	between	between	ADP	IN	_	14	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
13	cleaner	cleaner	NOUN	NN	Number=Sing	14	compound	_	_
14	wrasse	wrasse	NOUN	NN	Number=Sing	10	nmod	_	_
15	and	and	CCONJ	CC	_	19	cc	_	_
16	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	19	nmod:poss	_	_
17	larger	large	ADJ	JJR	Degree=Cmp	19	amod	_	_
18	client	client	NOUN	NN	Number=Sing	19	compound	_	_
19	fish	fish	NOUN	NNS	Number=Plur	14	conj	_	SpaceAfter=No
20	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the benefit |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent benefit=Topic |
| 2 | **derive** | participle |  | the benefit *not said here* |  | the association between the cleaner wrasse and association's larger client fish |  | by each party | vn appear-48.1.1 «NP V PP.location»: agent=Theme by party=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 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Only the client benefits, the cleaner receiving nothing for its labours

```conllu
# sent_id = question:biology:241-team-players-and-partners-meerkats-naked-mole-rats-huddles-cleaners-and-lemmings:e4:o1:1
# text = Only the client benefits, the cleaner receiving nothing for its labours
1	Only	only	ADV	RB	_	4	advmod	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	client	client	NOUN	NN	Number=Sing	4	compound	_	_
4	benefits	benefit	NOUN	NNS	Number=Plur	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	7	punct	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	cleaner	cleaner	NOUN	NN	Number=Sing	4	appos	_	_
8	receiving	receive	VERB	VBG	VerbForm=Ger	7	acl	_	_
9	nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	8	obj	_	_
10	for	for	ADP	IN	_	12	case	_	_
11	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	12	nmod:poss	_	_
12	labours	labour	NOUN	NNS	Number=Plur	9	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **receive** | gerund | the cleaner *not said here* | nothing |  |  |  | for cleaner's labours | vn obtain-13.5.2 «NP V NP»: agent=Agent nothing=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Only the cleaner benefits, the client being harmed by its sharp little bites

```conllu
# sent_id = question:biology:241-team-players-and-partners-meerkats-naked-mole-rats-huddles-cleaners-and-lemmings:e4:o2:1
# text = Only the cleaner benefits, the client being harmed by its sharp little bites
1	Only	only	ADV	RB	_	4	advmod	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	cleaner	cleaner	NOUN	NN	Number=Sing	4	nsubj	_	_
4	benefits	benefit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	9	punct	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	client	client	NOUN	NN	Number=Sing	9	nsubj:pass	_	_
8	being	be	AUX	VBG	Tense=Pres|VerbForm=Part	9	aux:pass	_	_
9	harmed	harm	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	conj	_	_
10	by	by	ADP	IN	_	14	case	_	_
11	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	14	nmod:poss	_	_
12	sharp	sharp	ADJ	JJ	Degree=Pos	14	amod	_	_
13	little	little	ADJ	JJ	Degree=Pos	14	amod	_	_
14	bites	bite	NOUN	NNS	Number=Plur	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **benefit** | present | the cleaner |  |  |  |  |  | vn benefit-72.2 «NP V»: agent=Beneficiary |
| 2 | **harm** | gerund · passive | client's sharp little bites | the client |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus subject=Experiencer |
| 3 | **bite** |  | client |  |  |  |  |  | nom bite «state transitive»: poss=agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
Neither party derives any advantage whatsoever

```conllu
# sent_id = question:biology:241-team-players-and-partners-meerkats-naked-mole-rats-huddles-cleaners-and-lemmings:e4:o3:1
# text = Neither party derives any advantage whatsoever
1	Neither	neither	DET	DT	PronType=Neg	2	det	_	_
2	party	party	NOUN	NN	Number=Sing	3	nsubj	_	_
3	derives	derive	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	any	any	DET	DT	PronType=Ind	5	det	_	_
5	advantage	advantage	NOUN	NN	Number=Sing	3	obj	_	_
6	whatsoever	whatsoever	ADV	RB	_	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **derive** | present | neither party | any advantage |  |  |  | whatsoever *property* | vn appear-48.1.1 «PP.location V NP»: agent=Location advantage=Theme |

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

<!-- .ven lang=en -->
The client is freed of parasites, whereas the cleaner obtains nourishment

```conllu
# sent_id = question:biology:241-team-players-and-partners-meerkats-naked-mole-rats-huddles-cleaners-and-lemmings:e4:o4:1
# text = The client is freed of parasites, whereas the cleaner obtains nourishment
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	client	client	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	freed	free	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	parasites	parasite	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
7	,	,	PUNCT	,	_	11	punct	_	_
8	whereas	whereas	SCONJ	IN	_	11	mark	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	cleaner	cleaner	NOUN	NN	Number=Sing	11	nsubj	_	_
11	obtains	obtain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	_
12	nourishment	nourishment	NOUN	NN	Number=Sing	11	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **free** | present · passive |  | the client |  |  |  | of parasites | vn free-10.6.3-1 «NP V NP S\_ING»: subject=Source of parasite=Theme |
| 2 | **obtain** | present | the cleaner | nourishment |  |  |  |  | vn obtain-13.5.2-1 «NP.asset V NP»: agent=Asset nourishment=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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