---
title: A blind lady is at the crossing. How does she know it's safe? — Buses, trams, lorries and traffic lights · tree and pragmatics
description: A blind lady is at the crossing. How does she know it's safe? Test 11 of lesson 20 «Buses, trams, lorries and traffic lights» of the technology 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 11 · Buses, trams, lorries and traffic lights

<!-- .ven lang=en -->
A blind lady is at the crossing. How does she know it's safe?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** blind lady, she, crossing · **What happens:** be, know · **To what, where:** crossing · **Speech:** someone speaks here

<!-- .vabout -->
This is test 11 of lesson 20 «Buses, trams, lorries and traffic lights» of the technology 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/technology/20-buses-trams-lorries-and-traffic-lights/#t11).

## The question {#question}

<!-- .note -->
*Sentence 1:* A blind lady is at the crossing.

```conllu
# sent_id = question:technology:20-buses-trams-lorries-and-traffic-lights:t11:1
# text = A blind lady is at the crossing.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	blind	blind	ADJ	JJ	Degree=Pos	3	amod	_	_
3	lady	lady	NOUN	NN	Number=Sing	7	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
5	at	at	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	crossing	crossing	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
8	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | a blind lady |  |  | the crossing |  |  | 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.

<!-- .note -->
*Sentence 2:* How does she know it's safe?

```conllu
# sent_id = question:technology:20-buses-trams-lorries-and-traffic-lights:t11:2
# text = How does she know it's safe?
1	How	how	ADV	WRB	PronType=Int	4	advmod	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	she	she	PRON	PRP	Case=Nom|Gender=Fem|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
4	know	know	VERB	VB	VerbForm=Inf	0	root	_	_
5	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	nsubj	_	SpaceAfter=No
6	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
7	safe	safe	ADJ	JJ	Degree=Pos	4	ccomp	_	SpaceAfter=No
8	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **know** | present · do-support | she |  |  |  |  |  | vn comprehend-87.2-1-1-1 «NP V»: agent=Experiencer |
| 2 | **is** | present | crossing |  |  |  |  | safe *property* | tree rules |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
The cars tell her

```conllu
# sent_id = question:technology:20-buses-trams-lorries-and-traffic-lights:t11:o1:1
# text = The cars tell her
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	cars	car	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	tell	tell	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	her	she	PRON	PRP	Case=Acc|Gender=Fem|Number=Sing|Person=3|PronType=Prs	3	iobj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **tell** *speech: assert* | present | the cars |  | her *= she* |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent she=Recipient |

### Option 2 {#o2}

<!-- .ven lang=en -->
She waits for someone to shout

```conllu
# sent_id = question:technology:20-buses-trams-lorries-and-traffic-lights:t11:o2:1
# text = She waits for someone to shout
1	She	she	PRON	PRP	Case=Nom|Gender=Fem|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	waits	wait	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	for	for	ADP	IN	_	4	case	_	_
4	someone	someone	PRON	NN	Number=Sing|PronType=Ind	2	obl	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	shout	shout	VERB	VB	VerbForm=Inf	2	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **wait** | present | She |  |  |  |  | for someone | vn exist-47.1 «NP V»: agent=Theme |
| 2 | **shout** *speech: express* | to-infinitive | She *not said here* |  |  |  |  |  | vn manner\_speaking-37.3 «NP V»: agent=Agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
She guesses from the wind and the sound of footsteps

```conllu
# sent_id = question:technology:20-buses-trams-lorries-and-traffic-lights:t11:o3:1
# text = She guesses from the wind and the sound of footsteps
1	She	she	PRON	PRP	Case=Nom|Gender=Fem|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	guesses	guess	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	from	from	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	wind	wind	NOUN	NN	Number=Sing	2	obl	_	_
6	and	and	CCONJ	CC	_	8	cc	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	sound	sound	NOUN	NN	Number=Sing	5	conj	_	_
9	of	of	ADP	IN	_	10	case	_	_
10	footsteps	footstep	NOUN	NNS	Number=Plur	8	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **guess** | present | She |  |  | the wind and the sound of footsteps |  |  | vn conjecture-29.5-1 «NP V that S»: agent=Agent |

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

<!-- .ven lang=en -->
A beep or the spinning cone under the box

```conllu
# sent_id = question:technology:20-buses-trams-lorries-and-traffic-lights:t11:o4:1
# text = A beep or the spinning cone under the box
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	beep	beep	NOUN	NN	Number=Sing	0	root	_	_
3	or	or	CCONJ	CC	_	6	cc	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
5	spinning	spin	VERB	VBG	VerbForm=Ger	6	amod	_	_
6	cone	cone	NOUN	NN	Number=Sing	2	conj	_	_
7	under	under	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	box	box	NOUN	NN	Number=Sing	6	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **spin** | gerund |  |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |

<!-- div src -->

**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: [Buses, trams, lorries and traffic lights, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/t10/)
- next →: [Buses, trams, lorries and traffic lights, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/e1/)
- ↑ back to [Buses, trams, lorries and traffic lights](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/)

