---
title: Which is true? — Saving water and energy at home · tree and pragmatics
description: Which is true? Test 2 · ★ of lesson 89 «Saving water and energy at home» 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 2 · ★ · Saving water and energy at home

<!-- .ven lang=en -->
Which is true?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **What happens:** be

<!-- .vabout -->
This is test 2 · ★ of lesson 89 «Saving water and energy at home» 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/89-saving-water-and-energy/#t2).

## The question {#question}

```conllu
# sent_id = question:world:89-saving-water-and-energy:t2:1
# text = Which is true?
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	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present |  |  |  |  |  | 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 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Tap water comes to us without using any energy

```conllu
# sent_id = question:world:89-saving-water-and-energy:t2:o1:1
# text = Tap water comes to us without using any energy
1	Tap	tap	NOUN	NN	Number=Sing	2	compound	_	_
2	water	water	NOUN	NN	Number=Sing	3	nsubj	_	_
3	comes	come	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	to	to	ADP	IN	_	5	case	_	_
5	us	we	PRON	PRP	Case=Acc|Number=Plur|Person=1|PronType=Prs	3	obl	_	_
6	without	without	SCONJ	IN	_	7	mark	_	_
7	using	use	VERB	VBG	Tense=Pres|VerbForm=Part	3	advcl	_	_
8	any	any	DET	DT	PronType=Ind	9	det	_	_
9	energy	energy	NOUN	NN	Number=Sing	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **come** | present | Tap water |  | us |  |  |  | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme to we=Initial\_Location |
| 2 | **use** | gerund | Tap water *not said here* | any energy |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent energy=Patient |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Saving water helps save energy as well

```conllu
# sent_id = question:world:89-saving-water-and-energy:t2:o2:1
# text = Saving water helps save energy as well
1	Saving	save	VERB	VBG	VerbForm=Ger	3	csubj	_	_
2	water	water	NOUN	NN	Number=Sing	1	obj	_	_
3	helps	help	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	save	save	VERB	VB	VerbForm=Inf	3	xcomp	_	_
5	energy	energy	NOUN	NN	Number=Sing	4	obj	_	_
6	as	as	ADV	RB	ExtPos=ADV	4	advmod	_	_
7	well	well	ADV	RB	Degree=Pos	6	fixed	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **save** | gerund |  | water |  |  |  |  | vn get-13.5.1-1 «NP V NP»: agent=Agent water=Theme |
| 2 | **help** | present | Saving |  |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent clause=Theme |
| 3 | **save** | infinitive | Saving *not said here* | energy |  |  |  |  | vn get-13.5.1-1 «NP V NP»: agent=Agent energy=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
A dripping tap wastes only a cupful a year

```conllu
# sent_id = question:world:89-saving-water-and-energy:t2:o3:1
# text = A dripping tap wastes only a cupful a year
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	dripping	drip	VERB	VBG	Tense=Pres|VerbForm=Part	3	amod	_	_
3	tap	tap	NOUN	NN	Number=Sing	4	nsubj	_	_
4	wastes	waste	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	only	only	ADV	RB	_	7	advmod	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	cupful	cupful	NOUN	NN	Number=Sing	4	obj	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	year	year	NOUN	NN	Number=Sing	4	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **drip** | gerund |  |  |  |  |  |  | vn substance\_emission-43.4-1 «NP V»: agent=Source |
| 2 | **waste** | present | a dripping tap | a cupful |  |  | year |  | vn destroy-44 «NP V NP»: agent=Agent cupful=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
Most water on Earth is fresh and drinkable

```conllu
# sent_id = question:world:89-saving-water-and-energy:t2:o4:1
# text = Most water on Earth is fresh and drinkable
1	Most	most	ADJ	JJS	Degree=Sup	2	amod	_	_
2	water	water	NOUN	NN	Number=Sing	6	nsubj	_	_
3	on	on	ADP	IN	_	4	case	_	_
4	Earth	Earth	PROPN	NNP	Number=Sing	2	nmod	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
6	fresh	fresh	ADJ	JJ	Degree=Pos	0	root	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	drinkable	drinkable	ADJ	JJ	Degree=Pos	6	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Most water on Earth |  |  |  |  | fresh *property* | tree rules |
| 2 | **be** |  | Most water on Earth *not said here* |  |  |  |  |  | tree rules |

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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: [Saving water and energy at home, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t1/)
- next →: [Saving water and energy at home, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/t3/)
- ↑ back to [Saving water and energy at home](https://md.mova.elamur.ai/free/en/corpora/questions/world/89-saving-water-and-energy/)