---
title: Why would glass be a poor material for the cables of a suspension br… — Building strong things: bridges, tower… · tree and pragmatics
description: Why would glass be a poor material for the cables of a suspension bridge? Test 7 · ★★ 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 right.
---

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# Test 7 · ★★ · Building strong things: bridges, towers and shapes

<!-- .ven lang=en -->
Why would glass be a poor material for the cables of a suspension bridge?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** glass · **What happens:** be, cable · **To what, where:** poor material, suspension bridge

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This is test 7 · ★★ 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/#t7).

## The question {#question}

```conllu
# sent_id = question:world:86-building-strong-things:t7:1
# text = Why would glass be a poor material for the cables of a suspension bridge?
1	Why	why	ADV	WRB	PronType=Rel	0	root	_	_
2	would	would	AUX	MD	VerbForm=Fin	7	aux	_	_
3	glass	glass	NOUN	NN	Number=Sing	7	nsubj	_	_
4	be	be	AUX	VB	VerbForm=Inf	7	cop	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	poor	poor	ADJ	JJ	Degree=Pos	7	amod	_	_
7	material	material	NOUN	NN	Number=Sing	1	nsubj	_	_
8	for	for	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	cables	cable	NOUN	NNS	Number=Plur	7	nmod	_	_
11	of	of	ADP	IN	_	14	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
13	suspension	suspension	NOUN	NN	Number=Sing	14	compound	_	_
14	bridge	bridge	NOUN	NN	Number=Sing	10	nmod	_	SpaceAfter=No
15	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | would | glass | a poor material |  |  |  | for the cables of a suspension bridge | tree rules |
| 2 | **cable** |  |  | a suspension bridge |  |  |  |  | nom cable «communication transitive»: of=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 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Glass is weak when it is stretched

```conllu
# sent_id = question:world:86-building-strong-things:t7:o1:1
# text = Glass is weak when it is stretched
1	Glass	glass	NOUN	NN	Number=Sing	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	weak	weak	ADJ	JJ	Degree=Pos	0	root	_	_
4	when	when	SCONJ	WRB	_	7	mark	_	_
5	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	nsubj:pass	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	aux:pass	_	_
7	stretched	stretch	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Glass |  |  |  |  | weak *property* | tree rules |
| 2 | **stretch** | present · passive |  | Glass |  |  |  |  | vn bend-45.2 «NP V NP.patient»: subject=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
Glass is far too heavy to lift up there

```conllu
# sent_id = question:world:86-building-strong-things:t7:o2:1
# text = Glass is far too heavy to lift up there
1	Glass	glass	NOUN	NN	Number=Sing	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	far	far	ADV	RB	Degree=Pos	5	advmod	_	_
4	too	too	ADV	RB	_	5	advmod	_	_
5	heavy	heavy	ADJ	JJ	Degree=Pos	0	root	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	lift	lift	VERB	VB	VerbForm=Inf	5	xcomp	_	_
8	up	up	ADP	RP	_	7	compound:prt	_	_
9	there	there	ADV	RB	PronType=Dem	7	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Glass |  |  |  |  | far, heavy *property* | tree rules |
| 2 | **lift up** | to-infinitive | Glass *not said here* |  |  | there |  |  | vn put\_direction-9.4 «NP V NP»: agent=Agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
Glass rusts quickly in rain

```conllu
# sent_id = question:world:86-building-strong-things:t7:o3:1
# text = Glass rusts quickly in rain
1	Glass	glass	NOUN	NN	Number=Sing	2	nsubj	_	_
2	rusts	rust	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	quickly	quickly	ADV	RB	_	2	advmod	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	rain	rain	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **rust** | present | Glass |  |  | rain |  | quickly *property* | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
Glass is weak when it is squashed

```conllu
# sent_id = question:world:86-building-strong-things:t7:o4:1
# text = Glass is weak when it is squashed
1	Glass	glass	NOUN	NN	Number=Sing	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	weak	weak	ADJ	JJ	Degree=Pos	0	root	_	_
4	when	when	ADV	WRB	PronType=Int	7	advmod	_	_
5	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	nsubj:pass	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	aux:pass	_	_
7	squashed	squash	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Glass |  |  |  |  | weak *property* | tree rules |
| 2 | **squash** | present · passive |  | Glass |  |  |  |  | vn carve-21.2-1 «NP V NP»: subject=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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