---
title: Which is true about stairs? — Going up and down stairs safely · tree and pragmatics
description: Which is true about stairs? Test 8 of lesson 1 «Going up and down stairs safely» 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 8 · Going up and down stairs safely

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

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 3 · wrong ✗ · **What happens:** be

<!-- .vabout -->
This is test 8 of lesson 1 «Going up and down stairs safely» 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/1-stairs/#t8).

## The question {#question}

```conllu
# sent_id = question:everyday:1-stairs:t8:1
# text = Which is true about stairs?
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	_	5	case	_	_
5	stairs	stair	NOUN	NNS	Number=Plur	3	obl	_	SpaceAfter=No
6	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present |  |  |  |  |  | about stairs; 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 -->
Handrails are only for decoration

```conllu
# sent_id = question:everyday:1-stairs:t8:o1:1
# text = Handrails are only for decoration
1	Handrails	handrail	NOUN	NNS	Number=Plur	5	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	only	only	ADV	RB	_	5	advmod	_	_
4	for	for	ADP	IN	_	5	case	_	_
5	decoration	decoration	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Handrails |  |  |  |  | for decoration | tree rules |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
Only old people ever fall on stairs

```conllu
# sent_id = question:everyday:1-stairs:t8:o2:1
# text = Only old people ever fall on stairs
1	Only	only	ADV	RB	_	3	advmod	_	_
2	old	old	ADJ	JJ	Degree=Pos	3	amod	_	_
3	people	people	NOUN	NNS	Number=Plur	5	nsubj	_	_
4	ever	ever	ADV	RB	PronType=Ind	5	advmod	_	_
5	fall	fall	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	on	on	ADP	IN	_	7	case	_	_
7	stairs	stair	NOUN	NNS	Number=Plur	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fall** | present | old people |  |  | stairs | ever |  | vn occur-48.3 «NP V PP»: agent=Theme on stair=Location |

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

<!-- .ven lang=en -->
Many falls at home happen on stairs

```conllu
# sent_id = question:everyday:1-stairs:t8:o3:1
# text = Many falls at home happen on stairs
1	Many	many	ADJ	JJ	Degree=Pos	2	amod	_	_
2	falls	fall	NOUN	NNS	Number=Plur	5	nsubj	_	_
3	at	at	ADP	IN	_	4	case	_	_
4	home	home	NOUN	NN	Number=Sing	2	nmod	_	_
5	happen	happen	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	on	on	ADP	IN	_	7	case	_	_
7	stairs	stair	NOUN	NNS	Number=Plur	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | present | Many falls at home |  |  | stairs |  |  | vn occur-48.3-1 «NP V PP»: agent=Theme on stair=Location |

### Option 4 {#o4}

<!-- .ven lang=en -->
Stairs are safest when you run

```conllu
# sent_id = question:everyday:1-stairs:t8:o4:1
# text = Stairs are safest when you run
1	Stairs	stair	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	safest	safe	ADJ	JJS	Degree=Sup	0	root	_	_
4	when	when	SCONJ	WRB	_	6	mark	_	_
5	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	6	nsubj	_	_
6	run	run	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	3	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Stairs |  |  |  |  | safe *property* | tree rules |
| 2 | **run** | present | you |  |  |  |  |  | vn run-51.3.2-2-1 «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.

<!-- /div -->

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- ← previous: [Going up and down stairs safely, test 7](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/1-stairs/t7/)
- next →: [Going up and down stairs safely, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/1-stairs/t9/)
- ↑ back to [Going up and down stairs safely](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/1-stairs/)