---
title: Select the response consistent with the established facts concerning… — Buses, trams, lorries and traffic lights · tree and pragmatics
description: Select the response consistent with the established facts concerning the earliest traffic signals installed in London in 1868. Exam question 4 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 que
---

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# Exam question 4 · Buses, trams, lorries and traffic lights

<!-- .ven lang=en -->
Select the response consistent with the established facts concerning the earliest traffic signals installed in London in 1868.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you, established facts · **What happens:** select, establish, concern, install · **To what, where:** response, earliest traffic signals, London

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This is exam question 4 of lesson 20 «Buses, trams, lorries and traffic lights» of the technology course of Mova's primary school, asked in stiff, formal language. 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/#e4).

## The question {#question}

```conllu
# sent_id = question:technology:20-buses-trams-lorries-and-traffic-lights:e4:1
# text = Select the response consistent with the established facts concerning the earliest traffic signals installed in London in 1868.
1	Select	select	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	response	response	NOUN	NN	Number=Sing	1	obj	_	_
4	consistent	consistent	ADJ	JJ	Degree=Pos	1	xcomp	_	_
5	with	with	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	established	establish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	amod	_	_
8	facts	fact	NOUN	NNS	Number=Plur	4	obl	_	_
9	concerning	concern	VERB	VBG	VerbForm=Ger	8	acl	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
11	earliest	early	ADJ	JJS	Degree=Sup	13	amod	_	_
12	traffic	traffic	NOUN	NN	Number=Sing	13	compound	_	_
13	signals	signal	NOUN	NNS	Number=Plur	9	obj	_	_
14	installed	install	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	13	acl	_	_
15	in	in	ADP	IN	_	16	case	_	_
16	London	London	PROPN	NNP	Number=Sing	14	obl	_	_
17	in	in	ADP	IN	_	18	case	_	_
18	1868	1868	NUM	CD	NumForm=Digit|NumType=Card	14	obl	_	SpaceAfter=No
19	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **select** | imperative | you *not said here* | the response |  |  |  | consistent *property* | vn obtain-13.5.2 «NP V NP»: agent=Agent response=Theme |
| 2 | **establish** | participle |  |  |  |  |  |  | vn indicate-78-1-1 «NP V NP to be NP»: agent=Pivot |
| 3 | **concern** | gerund | the established facts *not said here* | the earliest traffic signals |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus signal=Experiencer |
| 4 | **install** | participle |  | the earliest traffic signals *not said here* |  | London |  | in 1868 | vn put-9.1-1 «NP V NP PP.destination»: agent=Agent in london=Destination |

<!-- .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 -->
They were operated by computer

```conllu
# sent_id = question:technology:20-buses-trams-lorries-and-traffic-lights:e4:o1:1
# text = They were operated by computer
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	3	aux:pass	_	_
3	operated	operate	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	by	by	ADP	IN	_	5	case	_	_
5	computer	computer	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **operate** | past · passive | computer | They |  |  |  |  | vn function-105.2.1-1 «NP V NP PP»: agent=Theme subject=Attribute |

### Option 2 {#o2}

<!-- .ven lang=en -->
They employed light-emitting diodes

```conllu
# sent_id = question:technology:20-buses-trams-lorries-and-traffic-lights:e4:o2:1
# text = They employed light-emitting diodes
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	employed	employ	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	light	light	NOUN	NN	Number=Sing	5	obl:unmarked	_	SpaceAfter=No
4	-	-	PUNCT	HYPH	_	3	punct	_	SpaceAfter=No
5	emitting	emit	VERB	VBG	VerbForm=Ger	6	amod	_	_
6	diodes	diode	NOUN	NNS	Number=Plur	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **employ** | past | They | emitting diodes |  |  |  |  | vn hire-13.5.3 «NP V NP»: agent=Agent diode=Theme |
| 2 | **emit** | gerund |  | light |  |  |  |  | vn substance\_emission-43.4 «NP V NP»: agent=Source |

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

<!-- .ven lang=en -->
They were illuminated by gas

```conllu
# sent_id = question:technology:20-buses-trams-lorries-and-traffic-lights:e4:o3:1
# text = They were illuminated by gas
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	3	aux:pass	_	_
3	illuminated	illuminate	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	by	by	ADP	IN	_	5	case	_	_
5	gas	gas	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **illuminate** | past · passive | gas | They |  |  |  |  | vn illustrate-25.3 «NP V NP»: agent=Agent subject=Destination |

### Option 4 {#o4}

<!-- .ven lang=en -->
They were powered by solar panels

```conllu
# sent_id = question:technology:20-buses-trams-lorries-and-traffic-lights:e4:o4:1
# text = They were powered by solar panels
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	3	aux:pass	_	_
3	powered	power	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	by	by	ADP	IN	_	6	case	_	_
5	solar	solar	ADJ	JJ	Degree=Pos	6	amod	_	_
6	panels	panel	NOUN	NNS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **power** | past · passive | solar panels | They |  |  |  |  | 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: [Buses, trams, lorries and traffic lights, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/technology/20-buses-trams-lorries-and-traffic-lights/e3/)
- next →: [Trains and the Underground, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/technology/21-trains-and-the-underground/t1/)
- ↑ 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/)