---
title: It is given that a flea possesses six legs and a tick possesses eigh… — Pests: mice in the kitchen, cockroache… · tree and pragmatics
description: It is given that a flea possesses six legs and a tick possesses eight legs. Ascertain the total number of legs of two fleas and one tick. Exam question 4 of lesson 397 «Pests: mice in the kitchen, cockroaches, clothes moths, fleas and head lice» of the biology course of Mova's primary school, with t
---

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# Exam question 4 · Pests: mice in the kitchen, cockroaches, clothes moths, fl…

<!-- .ven lang=en -->
It is given that a flea possesses six legs and a tick possesses eight legs. Ascertain the total number of legs of two fleas and one tick.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** flea, tick, you · **What happens:** give, possess, ascertain · **To what, where:** It, six legs, eight legs, total number

<!-- .vabout -->
This is exam question 4 of lesson 397 «Pests: mice in the kitchen, cockroaches, clothes moths, fleas and head lice» 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/397-pests-mice-in-the-kitchen-cockroaches-clothes-moths-fleas-and-head-lice/#e4).

## The question {#question}

<!-- .note -->
*Sentence 1:* It is given that a flea possesses six legs and a tick possesses eight legs.

```conllu
# sent_id = question:biology:397-pests-mice-in-the-kitchen-cockroaches-clothes-moths-fleas-and-head-lice:e4:1
# text = It is given that a flea possesses six legs and a tick possesses eight legs.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	given	give	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	that	that	SCONJ	IN	_	7	mark	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	flea	flea	NOUN	NN	Number=Sing	7	nsubj	_	_
7	possesses	possess	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
8	six	six	NUM	CD	NumForm=Word|NumType=Card	9	nummod	_	_
9	legs	leg	NOUN	NNS	Number=Plur	7	obj	_	_
10	and	and	CCONJ	CC	_	13	cc	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	tick	tick	NOUN	NN	Number=Sing	13	nsubj	_	_
13	possesses	possess	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	conj	_	_
14	eight	eight	NUM	CD	NumForm=Word|NumType=Card	15	nummod	_	_
15	legs	leg	NOUN	NNS	Number=Plur	13	obj	_	SpaceAfter=No
16	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present · passive |  | It |  |  |  |  | vn give-13.1-1 «NP V NP»: subject=Theme |
| 2 | **possess** | present | a flea | six legs |  |  |  |  | vn own-100.1 «NP V NP»: agent=Pivot leg=Theme |
| 3 | **possess** | present | a tick | eight legs |  |  |  |  | vn own-100.1 «NP V NP»: agent=Pivot leg=Theme |

<!-- .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.

<!-- .note -->
*Sentence 2:* Ascertain the total number of legs of two fleas and one tick.

```conllu
# sent_id = question:biology:397-pests-mice-in-the-kitchen-cockroaches-clothes-moths-fleas-and-head-lice:e4:2
# text = Ascertain the total number of legs of two fleas and one tick.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	total	total	ADJ	JJ	Degree=Pos	4	amod	_	_
4	number	number	NOUN	NN	Number=Sing	1	obj	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	legs	leg	NOUN	NNS	Number=Plur	4	nmod	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	two	two	NUM	CD	NumForm=Word|NumType=Card	9	nummod	_	_
9	fleas	flea	NOUN	NNS	Number=Plur	6	nmod	_	_
10	and	and	CCONJ	CC	_	12	cc	_	_
11	one	one	NUM	CD	NumForm=Word|NumType=Card	12	nummod	_	_
12	tick	tick	NOUN	NN	Number=Sing	9	conj	_	SpaceAfter=No
13	.	.	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 total number of legs of two fleas and one tick |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent number=Topic |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

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

```conllu
# sent_id = question:biology:397-pests-mice-in-the-kitchen-cockroaches-clothes-moths-fleas-and-head-lice:e4:o1:1
# 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 2 {#o2}

<!-- .ven lang=en -->
Twenty-two

```conllu
# sent_id = question:biology:397-pests-mice-in-the-kitchen-cockroaches-clothes-moths-fleas-and-head-lice:e4:o2:1
# text = Twenty-two
1	Twenty	twenty	NUM	CD	NumForm=Word|NumType=Card	0	root	_	SpaceAfter=No
2	-	-	PUNCT	:	_	3	punct	_	SpaceAfter=No
3	two	two	NUM	CD	NumForm=Word|NumType=Card	1	conj	_	_
```

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

### Option 3 · ✓ the right answer {#o3}

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

```conllu
# sent_id = question:biology:397-pests-mice-in-the-kitchen-cockroaches-clothes-moths-fleas-and-head-lice:e4:o3:1
# text = Twenty
1	Twenty	twenty	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 -->
Fourteen

```conllu
# sent_id = question:biology:397-pests-mice-in-the-kitchen-cockroaches-clothes-moths-fleas-and-head-lice:e4:o4:1
# text = Fourteen
1	Fourteen	fourteen	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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