---
title: Look back over the course: what do a power station, a phone and a ro… — Self-driving cars and machines that ru… · tree and pragmatics
description: Look back over the course: what do a power station, a phone and a robot vacuum all need to run? Test 11 · ★★ of lesson 40 «Self-driving cars and machines that run themselves» of the technology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/technology/40-self-driving-cars-and-machines-that-run-themselves/t11/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Technology](https://md.mova.elamur.ai/free/en/corpora/questions/technology/) / [Self-driving cars and machines that ru…](https://md.mova.elamur.ai/free/en/corpora/questions/technology/40-self-driving-cars-and-machines-that-run-themselves/) / t11

# Test 11 · ★★ · Self-driving cars and machines that run themselves

<!-- .ven lang=en -->
Look back over the course: what do a power station, a phone and a robot vacuum all need to run?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** you, robot vacuum · **What happens:** look back, do, need, run · **To what, where:** power station

<!-- .vabout -->
This is test 11 · ★★ of lesson 40 «Self-driving cars and machines that run themselves» 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/40-self-driving-cars-and-machines-that-run-themselves/#t11).

## The question {#question}

```conllu
# sent_id = question:technology:40-self-driving-cars-and-machines-that-run-themselves:t11:1
# text = Look back over the course: what do a power station, a phone and a robot vacuum all need to run?
1	Look	look	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	back	back	ADV	RB	_	1	advmod	_	_
3	over	over	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	course	course	NOUN	NN	Number=Sing	1	obl	_	SpaceAfter=No
6	:	:	PUNCT	:	_	8	punct	_	_
7	what	what	PRON	WP	PronType=Int	8	obj	_	_
8	do	do	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	1	parataxis	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	power	power	NOUN	NN	Number=Sing	11	compound	_	_
11	station	station	NOUN	NN	Number=Sing	8	obj	_	SpaceAfter=No
12	,	,	PUNCT	,	_	14	punct	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	phone	phone	NOUN	NN	Number=Sing	11	conj	_	_
15	and	and	CCONJ	CC	_	18	cc	_	_
16	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
17	robot	robot	NOUN	NN	Number=Sing	18	compound	_	_
18	vacuum	vacuum	NOUN	NN	Number=Sing	11	conj	_	_
19	all	all	DET	DT	PronType=Tot	20	advmod	_	_
20	need	need	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	18	acl:relcl	_	_
21	to	to	PART	TO	_	22	mark	_	_
22	run	run	VERB	VB	VerbForm=Inf	20	xcomp	_	SpaceAfter=No
23	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **look back** | imperative | you *not said here* |  |  |  |  | over the course | vn peer-30.3 «NP V PP.theme»: agent=Agent over course=Theme |
| 2 | **do** | present |  | a power station and a phone and a robot vacuum |  |  |  |  | tree rules |
| 3 | **need** | present | a robot vacuum *not said here* |  |  |  |  |  | vn want-32.1-1-1 «NP V NP S\_INF»: agent=Pivot clause=Theme |
| 4 | **run** *not said to happen* | to-infinitive | a robot vacuum *not said here* |  |  |  |  |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |

<!-- .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 -->
Nothing, they run by magic

```conllu
# sent_id = question:technology:40-self-driving-cars-and-machines-that-run-themselves:t11:o1:1
# text = Nothing, they run by magic
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	4	vocative	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	4	nsubj	_	_
4	run	run	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	by	by	ADP	IN	_	6	case	_	_
6	magic	magic	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **run** | present | they |  |  |  |  | by magic; Nothing *vocative* | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme by magic=Trajectory |

### Option 2 {#o2}

<!-- .ven lang=en -->
Only good weather

```conllu
# sent_id = question:technology:40-self-driving-cars-and-machines-that-run-themselves:t11:o2:1
# text = Only good weather
1	Only	only	ADV	RB	_	3	advmod	_	_
2	good	good	ADJ	JJ	Degree=Pos	3	amod	_	_
3	weather	weather	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
A person pushing them all day long, taking turns with a friend

```conllu
# sent_id = question:technology:40-self-driving-cars-and-machines-that-run-themselves:t11:o3:1
# text = A person pushing them all day long, taking turns with a friend
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	person	person	NOUN	NN	Number=Sing	3	nsubj	_	_
3	pushing	push	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
4	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	3	obj	_	_
5	all	all	DET	DT	PronType=Tot	6	det	_	_
6	day	day	NOUN	NN	Number=Sing	3	obl:unmarked	_	_
7	long	long	ADV	RB	Degree=Pos	3	advmod	_	SpaceAfter=No
8	,	,	PUNCT	,	_	9	punct	_	_
9	taking	take	VERB	VBG	Tense=Pres|VerbForm=Part	3	conj	_	_
10	turns	turn	NOUN	NNS	Number=Plur	9	obj	_	_
11	with	with	ADP	IN	_	13	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
13	friend	friend	NOUN	NN	Number=Sing	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **push** | gerund | a person | them *= they* |  |  | day | long *property* | vn carry-11.4-1-1 «NP V NP»: agent=Agent they=Theme |
| 2 | **take** | gerund | a person *not said here* | turns |  |  |  | with a friend | vn bring-11.3 «NP V NP»: agent=Agent turn=Theme |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Energy, and parts that follow rules people designed

```conllu
# sent_id = question:technology:40-self-driving-cars-and-machines-that-run-themselves:t11:o4:1
# text = Energy, and parts that follow rules people designed
1	Energy	energy	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	parts	part	NOUN	NNS	Number=Plur	1	appos	_	_
5	that	that	PRON	WDT	PronType=Rel	6	nsubj	_	_
6	follow	follow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	acl:relcl	_	_
7	rules	rule	NOUN	NNS	Number=Plur	6	obj	_	_
8	people	people	NOUN	NNS	Number=Plur	6	obj	_	_
9	designed	design	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **follow** | present | parts | rules |  |  |  |  | tree rules |
| 2 | **design** | participle | parts *not said here* |  |  |  |  |  | vn create-26.4-1-1 «NP V»: agent=Agent |

<!-- 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 -->

<!-- pn -->
- ← previous: [Self-driving cars and machines that ru…, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/technology/40-self-driving-cars-and-machines-that-run-themselves/t10/)
- next →: [Self-driving cars and machines that ru…, test 12](https://md.mova.elamur.ai/free/en/corpora/questions/technology/40-self-driving-cars-and-machines-that-run-themselves/t12/)
- ↑ back to [Self-driving cars and machines that run themselves](https://md.mova.elamur.ai/free/en/corpora/questions/technology/40-self-driving-cars-and-machines-that-run-themselves/)