---
title: Ascertain the reason for which a diagonal brace is added to a square… — Buildings and architecture · tree and pragmatics
description: Ascertain the reason for which a diagonal brace is added to a square frame. Exam question 4 of lesson 34 «Buildings and architecture» of the arts course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Exam question 4 · Buildings and architecture

<!-- .ven lang=en -->
Ascertain the reason for which a diagonal brace is added to a square frame.

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** you · **What happens:** ascertain, add · **To what, where:** reason, diagonal brace

<!-- .vabout -->
This is exam question 4 of lesson 34 «Buildings and architecture» of the arts 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/arts/34-buildings-and-architecture/#e4).

## The question {#question}

```conllu
# sent_id = question:arts:34-buildings-and-architecture:e4:1
# text = Ascertain the reason for which a diagonal brace is added to a square frame.
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	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	diagonal	diagonal	ADJ	JJ	Degree=Pos	8	amod	_	_
8	brace	brace	NOUN	NN	Number=Sing	10	nsubj:pass	_	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	aux:pass	_	_
10	added	add	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl:relcl	_	_
11	to	to	ADP	IN	_	14	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
13	square	square	ADJ	JJ	Degree=Pos	14	amod	_	_
14	frame	frame	NOUN	NN	Number=Sing	10	obl	_	SpaceAfter=No
15	.	.	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 | **add** *speech: assert* | present · passive |  | a diagonal brace |  |  |  | for the reason; to a square frame | vn mix-22.1-2 «NP V NP PP.co-patient»: subject=Patient to frame=Co-Patient |

<!-- .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 -->
It increases the weight of the frame for purely decorative purposes

```conllu
# sent_id = question:arts:34-buildings-and-architecture:e4:o1:1
# text = It increases the weight of the frame for purely decorative purposes
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	increases	increase	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	weight	weight	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	frame	frame	NOUN	NN	Number=Sing	4	nmod	_	_
8	for	for	ADP	IN	_	11	case	_	_
9	purely	purely	ADV	RB	_	10	advmod	_	_
10	decorative	decorative	ADJ	JJ	Degree=Pos	11	amod	_	_
11	purposes	purpose	NOUN	NNS	Number=Plur	2	obl	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
It permits the square frame to fold more readily when required

```conllu
# sent_id = question:arts:34-buildings-and-architecture:e4:o2:1
# text = It permits the square frame to fold more readily when required
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	permits	permit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	square	square	ADJ	JJ	Degree=Pos	5	amod	_	_
5	frame	frame	NOUN	NN	Number=Sing	2	obj	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	fold	fold	VERB	VB	VerbForm=Inf	5	acl	_	_
8	more	more	ADV	RBR	Degree=Cmp	9	advmod	_	_
9	readily	readily	ADV	RB	_	2	advmod	_	_
10	when	when	ADV	WRB	PronType=Int	11	advmod	_	_
11	required	require	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **permit** | present | It | the square frame |  |  |  | readily *property* | vn admit-64.3-1 «NP V NP»: agent=Agent frame=Theme |
| 2 | **fold** | to-infinitive |  | the square frame *not said here* |  |  |  |  | vn bend-45.2 «NP.patient V»: agent=Patient |
| 3 | **require** | participle |  |  |  |  |  |  | vn require-103-1 «NP V NP S\_INF»: agent=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
It replaces the need for any foundation beneath the structure

```conllu
# sent_id = question:arts:34-buildings-and-architecture:e4:o3:1
# text = It replaces the need for any foundation beneath the structure
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	replaces	replace	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	need	need	NOUN	NN	Number=Sing	2	obj	_	_
5	for	for	ADP	IN	_	7	case	_	_
6	any	any	DET	DT	PronType=Ind	7	det	_	_
7	foundation	foundation	NOUN	NN	Number=Sing	2	obl	_	_
8	beneath	beneath	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	structure	structure	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **replace** | present | It | the need |  |  |  | for any foundation; beneath the structure | vn substitute-13.6.2-1 «NP V NP»: agent=Theme need=Co-Theme |

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

<!-- .ven lang=en -->
It forms rigid triangles

```conllu
# sent_id = question:arts:34-buildings-and-architecture:e4:o4:1
# text = It forms rigid triangles
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	forms	form	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	rigid	rigid	ADJ	JJ	Degree=Pos	4	amod	_	_
4	triangles	triangle	NOUN	NNS	Number=Plur	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **form** | present | It | rigid triangles |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location triangle=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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