---
title: Which of these is a structure built mostly from triangles? — Building strong things: bridges, tower… · tree and pragmatics
description: Which of these is a structure built mostly from triangles? Test 9 · ★★ of lesson 86 «Building strong things: bridges, towers and shapes» of the world 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 9 · ★★ · Building strong things: bridges, towers and shapes

<!-- .ven lang=en -->
Which of these is a structure built mostly from triangles?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **What happens:** be, build · **To what, where:** structure, triangles

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This is test 9 · ★★ of lesson 86 «Building strong things: bridges, towers and shapes» of the world 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/world/86-building-strong-things/#t9).

## The question {#question}

```conllu
# sent_id = question:world:86-building-strong-things:t9:1
# text = Which of these is a structure built mostly from triangles?
1	Which	which	PRON	WDT	PronType=Rel	6	nsubj	_	_
2	of	of	ADP	IN	_	6	case	_	_
3	these	this	PRON	DT	Number=Plur|PronType=Dem	6	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	structure	structure	NOUN	NN	Number=Sing	0	root	_	_
7	built	build	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
8	mostly	mostly	ADV	RB	_	7	advmod	_	_
9	from	from	ADP	IN	_	10	case	_	_
10	triangles	triangle	NOUN	NNS	Number=Plur	7	obl	_	SpaceAfter=No
11	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present |  |  |  |  |  | of a structure | tree rules |
| 2 | **build** | participle |  | a structure *not said here* |  | triangles |  | mostly *property* | vn build-26.1-1 «NP.asset V PP»: agent=Asset from triangle=Material |

<!-- .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 -->
A round snow igloo

```conllu
# sent_id = question:world:86-building-strong-things:t9:o1:1
# text = A round snow igloo
1	A	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
2	round	round	ADJ	JJ	Degree=Pos	4	amod	_	_
3	snow	snow	NOUN	NN	Number=Sing	4	compound	_	_
4	igloo	igloo	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
A tall brick wall

```conllu
# sent_id = question:world:86-building-strong-things:t9:o2:1
# text = A tall brick wall
1	A	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
2	tall	tall	ADJ	JJ	Degree=Pos	4	amod	_	_
3	brick	brick	NOUN	NN	Number=Sing	4	compound	_	_
4	wall	wall	NOUN	NN	Number=Sing	0	root	_	_
```

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

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

<!-- .ven lang=en -->
The Eiffel Tower

```conllu
# sent_id = question:world:86-building-strong-things:t9:o3:1
# text = The Eiffel Tower
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	Eiffel	Eiffel	PROPN	NNP	Number=Sing	3	compound	_	_
3	Tower	Tower	PROPN	NNP	Number=Sing	0	root	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
A stone pyramid in Egypt

```conllu
# sent_id = question:world:86-building-strong-things:t9:o4:1
# text = A stone pyramid in Egypt
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	stone	stone	NOUN	NN	Number=Sing	3	compound	_	_
3	pyramid	pyramid	NOUN	NN	Number=Sing	0	root	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	Egypt	Egypt	PROPN	NNP	Number=Sing	3	nmod	_	_
```

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

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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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