---
title: Count them: a scorpion has 8 legs and 2 pincers. How many legs on fo… — The desert: living with little water · tree and pragmatics
description: Count them: a scorpion has 8 legs and 2 pincers. How many legs on four scorpions? Test 4 · ★ of lesson 5 «The desert: living with little water» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 4 · ★ · The desert: living with little water

<!-- .ven lang=en -->
Count them: a scorpion has 8 legs and 2 pincers. How many legs on four scorpions?

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**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you, scorpion · **What happens:** count, have · **To what, where:** them, 8 legs

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This is test 4 · ★ of lesson 5 «The desert: living with little water» of the biology course of Mova's primary school. 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/5-the-desert/#t4).

## The question {#question}

<!-- .note -->
*Sentence 1:* Count them: a scorpion has 8 legs and 2 pincers.

```conllu
# sent_id = question:biology:5-the-desert:t4:1
# text = Count them: a scorpion has 8 legs and 2 pincers.
1	Count	count	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	1	obj	_	SpaceAfter=No
3	:	:	PUNCT	:	_	6	punct	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	scorpion	scorpion	NOUN	NN	Number=Sing	6	nsubj	_	_
6	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	parataxis	_	_
7	8	8	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	_	_
8	legs	leg	NOUN	NNS	Number=Plur	6	obj	_	_
9	and	and	CCONJ	CC	_	11	cc	_	_
10	2	2	NUM	CD	NumForm=Digit|NumType=Card	11	nummod	_	_
11	pincers	pincer	NOUN	NNS	Number=Plur	8	conj	_	SpaceAfter=No
12	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **count** | imperative | you *not said here* | them *= they* |  |  |  |  | vn multiply-108 «NP V NP»: agent=Agent they=Theme |
| 2 | **have** | present | a scorpion | 8 legs and 2 pincers |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent leg=Patient |

<!-- .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:* How many legs on four scorpions?

```conllu
# sent_id = question:biology:5-the-desert:t4:2
# text = How many legs on four scorpions?
1	How	how	ADV	WRB	PronType=Int	2	advmod	_	_
2	many	many	ADJ	JJ	Degree=Pos	3	amod	_	_
3	legs	leg	NOUN	NNS	Number=Plur	0	root	_	_
4	on	on	ADP	IN	_	6	case	_	_
5	four	four	NUM	CD	NumForm=Word|NumType=Card	6	nummod	_	_
6	scorpions	scorpion	NOUN	NNS	Number=Plur	3	nmod	_	SpaceAfter=No
7	?	?	PUNCT	.	_	3	punct	_	_
```

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

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
32

```conllu
# sent_id = question:biology:5-the-desert:t4:o1:1
# text = 32
1	32	32	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
16

```conllu
# sent_id = question:biology:5-the-desert:t4:o2:1
# text = 16
1	16	16	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
24

```conllu
# sent_id = question:biology:5-the-desert:t4:o3:1
# text = 24
1	24	24	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
40

```conllu
# sent_id = question:biology:5-the-desert:t4:o4:1
# text = 40
1	40	40	NUM	CD	NumForm=Digit|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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