---
title: Strange mushroom-shaped rocks stand in a sandy desert. What most lik… — Weathering and erosion · tree and pragmatics
description: Strange mushroom-shaped rocks stand in a sandy desert. What most likely shaped them? Test 9 of lesson 52 «Weathering and erosion» of the geography 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 9 · Weathering and erosion

<!-- .ven lang=en -->
Strange mushroom-shaped rocks stand in a sandy desert. What most likely shaped them?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** Strange shaped rocks · **What happens:** shape, stand · **To what, where:** sandy desert, rocks

<!-- .vabout -->
This is test 9 of lesson 52 «Weathering and erosion» of the geography 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/geography/52-weathering-and-erosion/#t9).

## The question {#question}

<!-- .note -->
*Sentence 1:* Strange mushroom-shaped rocks stand in a sandy desert.

```conllu
# sent_id = question:geography:52-weathering-and-erosion:t9:1
# text = Strange mushroom-shaped rocks stand in a sandy desert.
1	Strange	strange	ADJ	JJ	Degree=Pos	5	amod	_	_
2	mushroom	mushroom	NOUN	NN	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	rocks	rock	NOUN	NNS	Number=Plur	6	nsubj	_	_
6	stand	stand	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
7	in	in	ADP	IN	_	10	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
9	sandy	sandy	ADJ	JJ	Degree=Pos	10	amod	_	_
10	desert	desert	NOUN	NN	Number=Sing	6	obl	_	SpaceAfter=No
11	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .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 |
| 2 | **stand** | present | Strange shaped rocks |  |  | a sandy desert |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent in desert=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 most likely shaped them?

```conllu
# sent_id = question:geography:52-weathering-and-erosion:t9:2
# text = What most likely shaped them?
1	What	what	PRON	WP	PronType=Int	4	obj	_	_
2	most	most	ADV	RBS	Degree=Sup	4	advmod	_	_
3	likely	likely	ADV	RB	_	4	advmod	_	_
4	shaped	shape	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	4	obj	_	SpaceAfter=No
6	?	?	PUNCT	.	_	4	punct	_	_
```

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

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Tree roots growing all round them

```conllu
# sent_id = question:geography:52-weathering-and-erosion:t9:o1:1
# text = Tree roots growing all round them
1	Tree	tree	NOUN	NN	Number=Sing	2	compound	_	_
2	roots	root	NOUN	NNS	Number=Plur	0	root	_	_
3	growing	grow	VERB	VBG	VerbForm=Ger	2	acl	_	_
4	all	all	ADV	RB	_	3	advmod	_	_
5	round	round	ADP	IN	_	6	case	_	_
6	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grow** | gerund | Tree roots *not said here* |  |  |  |  | round roots *= root*; all *property* | vn appear-48.1.1 «NP V»: agent=Theme |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Wind blasting sand against them

```conllu
# sent_id = question:geography:52-weathering-and-erosion:t9:o2:1
# text = Wind blasting sand against them
1	Wind	wind	NOUN	NN	Number=Sing	0	root	_	_
2	blasting	blast	VERB	VBG	VerbForm=Ger	1	acl	_	_
3	sand	sand	NOUN	NN	Number=Sing	2	obj	_	_
4	against	against	ADP	IN	_	5	case	_	_
5	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **blast** | gerund | Wind *not said here* | sand |  |  |  | against them *= they* | vn hit-18.1 «NP V NP PP»: agent=Agent sand=Instrument against they=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
Frost in a hot, steamy rainforest

```conllu
# sent_id = question:geography:52-weathering-and-erosion:t9:o3:1
# text = Frost in a hot, steamy rainforest
1	Frost	frost	NOUN	NN	Number=Sing	0	root	_	_
2	in	in	ADP	IN	_	7	case	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
4	hot	hot	ADJ	JJ	Degree=Pos	7	amod	_	SpaceAfter=No
5	,	,	PUNCT	,	_	4	punct	_	_
6	steamy	steamy	ADJ	JJ	Degree=Pos	7	amod	_	_
7	rainforest	rainforest	NOUN	NN	Number=Sing	1	nmod	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
Ocean waves that once crashed there

```conllu
# sent_id = question:geography:52-weathering-and-erosion:t9:o4:1
# text = Ocean waves that once crashed there
1	Ocean	Ocean	PROPN	NNP	Number=Sing	2	compound	_	_
2	waves	wave	NOUN	NNS	Number=Plur	0	root	_	_
3	that	that	PRON	WDT	PronType=Rel	5	obj	_	_
4	once	once	ADV	RB	NumForm=Word|NumType=Mult	5	advmod	_	_
5	crashed	crash	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	2	acl:relcl	_	_
6	there	there	ADV	RB	PronType=Dem	5	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **crash** | past |  | Ocean waves |  | there |  | once *property* | vn break-45.1 «NP V NP»: agent=Agent that=Patient |

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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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- ← previous: [Weathering and erosion, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/geography/52-weathering-and-erosion/t8/)
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