---
title: Which is true about the Earth's water? — Rivers, lakes and the sea up close · tree and pragmatics
description: Which is true about the Earth's water? Test 3 of lesson 64 «Rivers, lakes and the sea up close» of the world 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 3 · Rivers, lakes and the sea up close

<!-- .ven lang=en -->
Which is true about the Earth's water?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 4 · wrong ✗ · **What happens:** be

<!-- .vabout -->
This is test 3 of lesson 64 «Rivers, lakes and the sea up close» of the world 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/world/64-rivers-lakes-and-the-sea/#t3).

## The question {#question}

```conllu
# sent_id = question:world:64-rivers-lakes-and-the-sea:t3:1
# text = Which is true about the Earth's water?
1	Which	which	PRON	WDT	PronType=Rel	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	true	true	ADJ	JJ	Degree=Pos	0	root	_	_
4	about	about	ADP	IN	_	8	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	Earth	Earth	PROPN	NNP	Number=Sing	8	nmod:poss	_	SpaceAfter=No
7	's	's	PART	POS	_	6	case	_	_
8	water	water	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 | **is** | present |  |  |  |  |  | about the Earth's water; true *property* | tree rules |

<!-- .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 -->
Lakes hold more water than the oceans

```conllu
# sent_id = question:world:64-rivers-lakes-and-the-sea:t3:o1:1
# text = Lakes hold more water than the oceans
1	Lakes	lake	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	hold	hold	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	more	more	ADJ	JJR	Degree=Cmp	4	amod	_	_
4	water	water	NOUN	NN	Number=Sing	2	obj	_	_
5	than	than	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	oceans	ocean	NOUN	NNS	Number=Plur	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hold** | present | Lakes | more water |  |  |  | than the oceans | vn keep-15.2 «NP V NP»: agent=Agent water=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Fresh and salt water are about equal

```conllu
# sent_id = question:world:64-rivers-lakes-and-the-sea:t3:o2:1
# text = Fresh and salt water are about equal
1	Fresh	fresh	ADJ	JJ	Degree=Pos	7	nsubj	_	_
2	and	and	CCONJ	CC	_	4	cc	_	_
3	salt	salt	NOUN	NN	Number=Sing	4	compound	_	_
4	water	water	NOUN	NN	Number=Sing	1	conj	_	_
5	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
6	about	about	ADV	RB	_	7	advmod	_	_
7	equal	equal	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Fresh and salt water |  |  |  |  | about, equal *property* | tree rules |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
Most of it is fresh water in rivers

```conllu
# sent_id = question:world:64-rivers-lakes-and-the-sea:t3:o3:1
# text = Most of it is fresh water in rivers
1	Most	most	ADJ	JJS	Degree=Sup	6	nsubj	_	_
2	of	of	ADP	IN	_	3	case	_	_
3	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	1	nmod	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
5	fresh	fresh	ADJ	JJ	Degree=Pos	6	amod	_	_
6	water	water	NOUN	NN	Number=Sing	0	root	_	_
7	in	in	ADP	IN	_	8	case	_	_
8	rivers	river	NOUN	NNS	Number=Plur	6	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Most of it | fresh water |  | rivers |  |  | tree rules |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Nearly all of it is salty, and little of the fresh water is easy to reach

<!-- fold The tree, 16 words -->
```conllu
# sent_id = question:world:64-rivers-lakes-and-the-sea:t3:o4:1
# text = Nearly all of it is salty, and little of the fresh water is easy to reach
1	Nearly	nearly	ADV	RB	_	2	advmod	_	_
2	all	all	DET	DT	PronType=Tot	6	nsubj	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nmod	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
6	salty	salty	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
7	,	,	PUNCT	,	_	15	punct	_	_
8	and	and	CCONJ	CC	_	15	cc	_	_
9	little	little	ADJ	JJ	Degree=Pos	15	obl:unmarked	_	_
10	of	of	ADP	IN	_	13	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
12	fresh	fresh	ADJ	JJ	Degree=Pos	13	amod	_	_
13	water	water	NOUN	NN	Number=Sing	9	nmod	_	_
14	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	cop	_	_
15	easy	easy	ADJ	JJ	Degree=Pos	6	conj	_	_
16	to	to	PART	TO	_	17	mark	_	_
17	reach	reach	VERB	VB	VerbForm=Inf	15	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | all |  |  |  |  | salty *property* | tree rules |
| 2 | **is** | present | all *not said here* |  |  |  |  | little of the fresh water *obl:unmarked*; easy *property* | tree rules |
| 3 | **reach** | to-infinitive | all *not said here* |  |  |  |  |  | vn body\_motion-49.2-1-1 «NP V»: agent=Agent |

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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, lakes and the sea up close, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/world/64-rivers-lakes-and-the-sea/t2/)
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