---
title: Which is true about playground safety? — Climbing trees and playgrounds · tree and pragmatics
description: Which is true about playground safety? Test 4 of lesson 4 «Climbing trees and playgrounds» of the everyday 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 4 · Climbing trees and playgrounds

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

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **What happens:** be

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This is test 4 of lesson 4 «Climbing trees and playgrounds» of the everyday 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/everyday/4-climbing/#t4).

## The question {#question}

```conllu
# sent_id = question:everyday:4-climbing:t4:1
# text = Which is true about playground safety?
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	_	6	case	_	_
5	playground	playground	NOUN	NN	Number=Sing	6	compound	_	_
6	safety	safety	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
7	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present |  |  |  |  |  | about playground safety; 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 -->
Hoodie strings are safe on slides

```conllu
# sent_id = question:everyday:4-climbing:t4:o1:1
# text = Hoodie strings are safe on slides
1	Hoodie	hoodie	NOUN	NN	Number=Sing	2	compound	_	_
2	strings	string	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	safe	safe	ADJ	JJ	Degree=Pos	0	root	_	_
5	on	on	ADP	IN	_	6	case	_	_
6	slides	slide	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Hoodie strings |  |  | slides |  | safe *property* | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Concrete is the best ground under swings

```conllu
# sent_id = question:everyday:4-climbing:t4:o2:1
# text = Concrete is the best ground under swings
1	Concrete	concrete	NOUN	NN	Number=Sing	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	best	good	ADJ	JJS	Degree=Sup	5	amod	_	_
5	ground	ground	NOUN	NN	Number=Sing	0	root	_	_
6	under	under	ADP	IN	_	7	case	_	_
7	swings	swing	NOUN	NNS	Number=Plur	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Concrete | the best ground |  | swings |  |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Helmets make climbing frames safer for everyone

```conllu
# sent_id = question:everyday:4-climbing:t4:o3:1
# text = Helmets make climbing frames safer for everyone
1	Helmets	helmet	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	climbing	climbing	NOUN	NN	Number=Sing	4	compound	_	_
4	frames	frame	NOUN	NNS	Number=Plur	2	obj	_	_
5	safer	safe	ADJ	JJR	Degree=Cmp	2	xcomp	_	_
6	for	for	ADP	IN	_	7	case	_	_
7	everyone	everyone	PRON	NN	Number=Sing|PronType=Tot	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Helmets | climbing frames |  |  |  | safe *property* | vn build-26.1-1 «NP.material V NP»: agent=Material frame=Product |

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

<!-- .ven lang=en -->
Bike helmets should come off on climbing frames

```conllu
# sent_id = question:everyday:4-climbing:t4:o4:1
# text = Bike helmets should come off on climbing frames
1	Bike	bike	NOUN	NN	Number=Sing	2	compound	_	_
2	helmets	helmet	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	should	should	AUX	MD	VerbForm=Fin	4	aux	_	_
4	come	come	VERB	VB	VerbForm=Inf	0	root	_	_
5	off	off	ADP	RP	_	4	compound:prt	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	climbing	climbing	NOUN	NN	Number=Sing	8	compound	_	_
8	frames	frame	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **come off** | should | Bike helmets |  |  | climbing frames |  |  | vn occur-48.3-2 «NP V PP»: agent=Theme on frame=Location |

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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: [Climbing trees and playgrounds, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/4-climbing/t3/)
- next →: [Climbing trees and playgrounds, test 5](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/4-climbing/t5/)
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