---
title: Why does a river through a rainforest carry so much water? — The great rivers · tree and pragmatics
description: Why does a river through a rainforest carry so much water? Test 9 of lesson 16 «The great rivers» 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 wrong.
---

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# Test 9 · The great rivers

<!-- .ven lang=en -->
Why does a river through a rainforest carry so much water?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 3 · wrong ✗ · **What happens:** carry · **To what, where:** much water, rainforest

<!-- .vabout -->
This is test 9 of lesson 16 «The great rivers» 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/16-the-great-rivers/#t9).

## The question {#question}

```conllu
# sent_id = question:geography:16-the-great-rivers:t9:1
# text = Why does a river through a rainforest carry so much water?
1	Why	why	ADV	WRB	PronType=Int	8	advmod	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	aux	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	river	river	NOUN	NN	Number=Sing	2	obj	_	_
5	through	through	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	rainforest	rainforest	NOUN	NN	Number=Sing	8	obl	_	_
8	carry	carry	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
9	so	so	ADV	RB	_	10	advmod	_	_
10	much	much	ADJ	JJ	Degree=Pos	11	amod	_	_
11	water	water	NOUN	NN	Number=Sing	8	obj	_	SpaceAfter=No
12	?	?	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **carry** | present · do-support |  | much water |  | a rainforest |  |  | vn carry-11.4 «NP V NP»: agent=Agent water=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.

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Snow melts in the rainforest every day

```conllu
# sent_id = question:geography:16-the-great-rivers:t9:o1:1
# text = Snow melts in the rainforest every day
1	Snow	snow	NOUN	NN	Number=Sing	2	nsubj	_	_
2	melts	melt	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	in	in	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	rainforest	rainforest	NOUN	NN	Number=Sing	2	obl	_	_
6	every	every	DET	DT	PronType=Tot	7	det	_	_
7	day	day	NOUN	NN	Number=Sing	2	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **melt** | present | Snow |  |  | the rainforest | day |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
The sea flows backwards into it

```conllu
# sent_id = question:geography:16-the-great-rivers:t9:o2:1
# text = The sea flows backwards into it
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	sea	sea	NOUN	NN	Number=Sing	3	nsubj	_	_
3	flows	flow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	backwards	backwards	ADV	RB	_	3	advmod	_	_
5	into	into	ADP	IN	_	6	case	_	_
6	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **flow** | present | the sea |  |  | it |  | backwards *property* | vn appear-48.1.1 «NP V»: agent=Theme |

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

<!-- .ven lang=en -->
Rainforests get heavy rain nearly all year

```conllu
# sent_id = question:geography:16-the-great-rivers:t9:o3:1
# text = Rainforests get heavy rain nearly all year
1	Rainforests	rainforest	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	get	get	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	heavy	heavy	ADJ	JJ	Degree=Pos	4	amod	_	_
4	rain	rain	NOUN	NN	Number=Sing	2	obj	_	_
5	nearly	nearly	ADV	RB	_	6	advmod	_	_
6	all	all	DET	DT	PronType=Tot	7	det	_	_
7	year	year	NOUN	NN	Number=Sing	2	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **get** | present | Rainforests | heavy rain |  |  | year |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer rain=Stimulus |

### Option 4 {#o4}

<!-- .ven lang=en -->
Rainforest trees make new water out of the soil

```conllu
# sent_id = question:geography:16-the-great-rivers:t9:o4:1
# text = Rainforest trees make new water out of the soil
1	Rainforest	rainforest	NOUN	NN	Number=Sing	2	compound	_	_
2	trees	tree	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	new	new	ADJ	JJ	Degree=Pos	5	amod	_	_
5	water	water	NOUN	NN	Number=Sing	3	obj	_	_
6	out	out	ADP	IN	_	9	case	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	soil	soil	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Rainforest trees | new water |  | the soil |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset water=Product |

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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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