---
title: Ascertain the reason for which certain data centres are constructed… — The internet and undersea cables · tree and pragmatics
description: Ascertain the reason for which certain data centres are constructed in cold regions. Exam question 4 of lesson 37 «The internet and undersea cables» 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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# Exam question 4 · The internet and undersea cables

<!-- .ven lang=en -->
Ascertain the reason for which certain data centres are constructed in cold regions.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** you · **What happens:** ascertain, construct · **To what, where:** reason, certain data centres, cold regions

<!-- .vabout -->
This is exam question 4 of lesson 37 «The internet and undersea cables» 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/37-the-internet-and-undersea-cables/#e4).

## The question {#question}

```conllu
# sent_id = question:technology:37-the-internet-and-undersea-cables:e4:1
# text = Ascertain the reason for which certain data centres are constructed in cold regions.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
4	for	for	ADP	IN	_	5	case	_	_
5	which	which	PRON	WDT	PronType=Rel	10	obl	_	_
6	certain	certain	ADJ	JJ	Degree=Pos	8	amod	_	_
7	data	data	NOUN	NN	Number=Sing	8	compound	_	_
8	centres	centre	NOUN	NNS	Number=Plur	10	nsubj:pass	_	_
9	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	aux:pass	_	_
10	constructed	construct	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl:relcl	_	_
11	in	in	ADP	IN	_	13	case	_	_
12	cold	cold	ADJ	JJ	Degree=Pos	13	amod	_	_
13	regions	region	NOUN	NNS	Number=Plur	10	obl	_	SpaceAfter=No
14	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the reason |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent reason=Topic |
| 2 | **construct** | present · passive |  | certain data centres |  | cold regions |  | for the reason | vn create-26.4 «NP V NP PP.beneficiary»: subject=Result for which=Beneficiary |

<!-- .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 -->
Snow improves the reliability of the electricity supplied to such establishments

```conllu
# sent_id = question:technology:37-the-internet-and-undersea-cables:e4:o1:1
# text = Snow improves the reliability of the electricity supplied to such establishments
1	Snow	snow	NOUN	NN	Number=Sing	2	nsubj	_	_
2	improves	improve	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	reliability	reliability	NOUN	NN	Number=Sing	2	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	electricity	electricity	NOUN	NN	Number=Sing	4	nmod	_	_
8	supplied	supply	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	acl	_	_
9	to	to	ADP	IN	_	11	case	_	_
10	such	such	ADJ	JJ	Degree=Pos	11	amod	_	_
11	establishments	establishment	NOUN	NNS	Number=Plur	8	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **improve** | present | Snow | the reliability of the electricity |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent reliability=Patient |
| 2 | **supply** | participle |  | the electricity *not said here* | such establishments |  |  |  | vn fulfilling-13.4.1-1 «NP V NP PP.recipient»: agent=Agent to establishment=Recipient |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
The expense of cooling the servers is thereby reduced

```conllu
# sent_id = question:technology:37-the-internet-and-undersea-cables:e4:o2:1
# text = The expense of cooling the servers is thereby reduced
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	expense	expense	NOUN	NN	Number=Sing	9	nsubj:pass	_	_
3	of	of	SCONJ	IN	_	4	mark	_	_
4	cooling	cool	VERB	VBG	VerbForm=Ger	2	acl	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	servers	server	NOUN	NNS	Number=Plur	4	obj	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	aux:pass	_	_
8	thereby	thereby	ADV	RB	_	9	advmod	_	_
9	reduced	reduce	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cool** | gerund | the expense *not said here* | the servers |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent server=Patient |
| 2 | **reduce** | present · passive |  | the expense |  |  |  | thereby *property* | vn limit-76 «NP V NP»: subject=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
Computers function solely below freezing

```conllu
# sent_id = question:technology:37-the-internet-and-undersea-cables:e4:o3:1
# text = Computers function solely below freezing
1	Computers	computer	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	function	function	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	solely	solely	ADV	RB	_	2	advmod	_	_
4	below	below	ADP	IN	_	5	case	_	_
5	freezing	freezing	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **function** | present | Computers |  |  | freezing |  | solely *property* | vn function-105.2.1-1 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Cold air increases the velocity of data

```conllu
# sent_id = question:technology:37-the-internet-and-undersea-cables:e4:o4:1
# text = Cold air increases the velocity of data
1	Cold	cold	ADJ	JJ	Degree=Pos	2	amod	_	_
2	air	air	NOUN	NN	Number=Sing	3	nsubj	_	_
3	increases	increase	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	velocity	velocity	NOUN	NN	Number=Sing	3	obj	_	_
6	of	of	ADP	IN	_	7	case	_	_
7	data	data	NOUN	NN	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **increase** | present | Cold air | the velocity of data |  |  |  |  | vn caused\_calibratable\_cos-45.6.2-1 «NP V NP.patient»: agent=Causer velocity=Patient |

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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: [The internet and undersea cables, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/technology/37-the-internet-and-undersea-cables/e3/)
- next →: [Satellites and GPS, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/technology/38-satellites-and-gps/t1/)
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