---
title: Hard rock sits on soft rock where a river drops. What will happen to… — Rivers shaping the land · tree and pragmatics
description: Hard rock sits on soft rock where a river drops. What will happen to the waterfall over time? Test 4 · ★ of lesson 53 «Rivers shaping the land» 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 4 · ★ · Rivers shaping the land

<!-- .ven lang=en -->
Hard rock sits on soft rock where a river drops. What will happen to the waterfall over time?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** Hard rock, river · **What happens:** sit, drop, happen · **To what, where:** soft rock

<!-- .vabout -->
This is test 4 · ★ of lesson 53 «Rivers shaping the land» 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/53-rivers-shaping-the-land/#t4).

## The question {#question}

<!-- .note -->
*Sentence 1:* Hard rock sits on soft rock where a river drops.

```conllu
# sent_id = question:geography:53-rivers-shaping-the-land:t4:1
# text = Hard rock sits on soft rock where a river drops.
1	Hard	hard	ADJ	JJ	Degree=Pos	2	amod	_	_
2	rock	rock	NOUN	NN	Number=Sing	3	nsubj	_	_
3	sits	sit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	on	on	ADP	IN	_	6	case	_	_
5	soft	soft	ADJ	JJ	Degree=Pos	6	amod	_	_
6	rock	rock	NOUN	NN	Number=Sing	3	obl	_	_
7	where	where	ADV	WRB	PronType=Rel	10	advmod	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	river	river	NOUN	NN	Number=Sing	10	nsubj	_	_
10	drops	drop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	SpaceAfter=No
11	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sit** | present | Hard rock |  |  | soft rock |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent on rock=Location |
| 2 | **drop** | present | a river |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=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:* What will happen to the waterfall over time?

```conllu
# sent_id = question:geography:53-rivers-shaping-the-land:t4:2
# text = What will happen to the waterfall over time?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	to	to	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	waterfall	waterfall	NOUN	NN	Number=Sing	3	obl	_	_
7	over	over	ADP	IN	_	8	case	_	_
8	time	time	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 | **happen** | future |  |  |  |  | time | to the waterfall | vn occur-48.3-1 «NP V»: agent=Theme |

## The options {#options}

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

<!-- .ven lang=en -->
It will slowly move back upstream

```conllu
# sent_id = question:geography:53-rivers-shaping-the-land:t4:o1:1
# text = It will slowly move back upstream
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	4	aux	_	_
3	slowly	slowly	ADV	RB	_	4	advmod	_	_
4	move	move	VERB	VB	VerbForm=Inf	0	root	_	_
5	back	back	ADV	RB	_	4	advmod	_	_
6	upstream	upstream	ADV	RB	_	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **move back** | future | It |  |  |  |  | slowly, upstream *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
It will turn into a delta

```conllu
# sent_id = question:geography:53-rivers-shaping-the-land:t4:o2:1
# text = It will turn into a delta
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	3	aux	_	_
3	turn	turn	VERB	VB	VerbForm=Inf	0	root	_	_
4	into	into	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	delta	delta	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | future | It |  |  | a delta |  |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into delta=Trajectory |

### Option 3 {#o3}

<!-- .ven lang=en -->
It will stay in exactly the same place

```conllu
# sent_id = question:geography:53-rivers-shaping-the-land:t4:o3:1
# text = It will stay in exactly the same place
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	3	aux	_	_
3	stay	stay	VERB	VB	VerbForm=Inf	0	root	_	_
4	in	in	ADP	IN	_	8	case	_	_
5	exactly	exactly	ADV	RB	_	8	advmod	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	same	same	ADJ	JJ	Degree=Pos	8	amod	_	_
8	place	place	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stay** | future | It |  |  | the same place |  |  | vn exist-47.1 «NP V PP.location»: agent=Theme in place=Location |

### Option 4 {#o4}

<!-- .ven lang=en -->
It will slowly climb uphill

```conllu
# sent_id = question:geography:53-rivers-shaping-the-land:t4:o4:1
# text = It will slowly climb uphill
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	will	will	AUX	MD	VerbForm=Fin	4	aux	_	_
3	slowly	slowly	ADV	RB	_	4	advmod	_	_
4	climb	climb	VERB	VB	VerbForm=Inf	0	root	_	_
5	uphill	uphill	ADV	RB	_	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **climb** | future | It |  |  |  |  | slowly, uphill *property* | vn run-51.3.2 «NP V»: agent=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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- ← previous: [Rivers shaping the land, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/geography/53-rivers-shaping-the-land/t3/)
- next →: [Rivers shaping the land, test 5](https://md.mova.elamur.ai/free/en/corpora/questions/geography/53-rivers-shaping-the-land/t5/)
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