---
title: A sidewinder leaves strange tracks in the sand. What shape are they? — Deserts of the world: fennec foxes, fo… · tree and pragmatics
description: A sidewinder leaves strange tracks in the sand. What shape are they? Test 8 · ★ of lesson 182 «Deserts of the world: fennec foxes, fog-drinking beetles, camels and silver ants» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option;
---

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# Test 8 · ★ · Deserts of the world: fennec foxes, fog-drinking beetles,…

<!-- .ven lang=en -->
A sidewinder leaves strange tracks in the sand. What shape are they?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** sidewinder, tracks · **What happens:** leave, be · **To what, where:** strange tracks, sand, shape

<!-- .vabout -->
This is test 8 · ★ of lesson 182 «Deserts of the world: fennec foxes, fog-drinking beetles, camels and silver ants» 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/182-deserts-of-the-world-fennec-foxes-fog-drinking-beetles-camels-and-silver-ants/#t8).

## The question {#question}

<!-- .note -->
*Sentence 1:* A sidewinder leaves strange tracks in the sand.

```conllu
# sent_id = question:biology:182-deserts-of-the-world-fennec-foxes-fog-drinking-beetles-camels-and-silver-ants:t8:1
# text = A sidewinder leaves strange tracks in the sand.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	sidewinder	sidewinder	NOUN	NN	Number=Sing	3	nsubj	_	_
3	leaves	leave	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	strange	strange	ADJ	JJ	Degree=Pos	5	amod	_	_
5	tracks	track	NOUN	NNS	Number=Plur	3	obj	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	sand	sand	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **leave** | present | a sidewinder | strange tracks |  | the sand |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent track=Theme in sand=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.

<!-- .note -->
*Sentence 2:* What shape are they?

```conllu
# sent_id = question:biology:182-deserts-of-the-world-fennec-foxes-fog-drinking-beetles-camels-and-silver-ants:t8:2
# text = What shape are they?
1	What	what	DET	WDT	PronType=Int	2	det	_	_
2	shape	shape	NOUN	NN	Number=Sing	0	root	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	cop	_	_
4	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	SpaceAfter=No
5	?	?	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | tracks *= track* | what shape |  |  |  |  | tree rules |

## The options {#options}

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

<!-- .ven lang=en -->
Short J-shaped marks side by side

```conllu
# sent_id = question:biology:182-deserts-of-the-world-fennec-foxes-fog-drinking-beetles-camels-and-silver-ants:t8:o1:1
# text = Short J-shaped marks side by side
1	Short	short	ADJ	JJ	Degree=Pos	6	amod	_	_
2	J	J	PROPN	NNP	Number=Sing	4	compound	_	SpaceAfter=No
3	-	-	PUNCT	HYPH	_	2	punct	_	SpaceAfter=No
4	shaped	shape	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	amod	_	_
5	marks	mark	NOUN	NNS	Number=Plur	6	compound	_	_
6	side	side	NOUN	NN	Number=Sing	0	root	_	_
7	by	by	ADP	IN	_	8	case	_	_
8	side	side	NOUN	NN	Number=Sing	6	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **shape** | participle |  |  |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset |

### Option 2 {#o2}

<!-- .ven lang=en -->
One long straight line in the sand

```conllu
# sent_id = question:biology:182-deserts-of-the-world-fennec-foxes-fog-drinking-beetles-camels-and-silver-ants:t8:o2:1
# text = One long straight line in the sand
1	One	one	NUM	CD	NumForm=Word|NumType=Card	4	nummod	_	_
2	long	long	ADJ	JJ	Degree=Pos	4	amod	_	_
3	straight	straight	ADJ	JJ	Degree=Pos	4	amod	_	_
4	line	line	NOUN	NN	Number=Sing	0	root	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	sand	sand	NOUN	NN	Number=Sing	4	nmod	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
Round holes

```conllu
# sent_id = question:biology:182-deserts-of-the-world-fennec-foxes-fog-drinking-beetles-camels-and-silver-ants:t8:o3:1
# text = Round holes
1	Round	round	ADJ	JJ	Degree=Pos	2	amod	_	_
2	holes	hole	NOUN	NNS	Number=Plur	0	root	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
Zigzag footprints

```conllu
# sent_id = question:biology:182-deserts-of-the-world-fennec-foxes-fog-drinking-beetles-camels-and-silver-ants:t8:o4:1
# text = Zigzag footprints
1	Zigzag	zigzag	NOUN	NN	Number=Sing	2	compound	_	_
2	footprints	footprint	NOUN	NNS	Number=Plur	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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