---
title: In a fantasy film, a black glassy stone is called "dragonglass". Wha… — Igneous rocks and the rock cycle · tree and pragmatics
description: In a fantasy film, a black glassy stone is called "dragonglass". What is it in real life? Test 3 of lesson 48 «Igneous rocks and the rock cycle» of the geography 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 3 · Igneous rocks and the rock cycle

<!-- .ven lang=en -->
In a fantasy film, a black glassy stone is called "dragonglass". What is it in real life?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **What happens:** call, be · **To what, where:** black glassy stone, fantasy film, stone · **Speech:** someone speaks here

<!-- .vabout -->
This is test 3 of lesson 48 «Igneous rocks and the rock cycle» of the geography 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/geography/48-igneous-rocks-and-the-rock-cycle/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* In a fantasy film, a black glassy stone is called "dragonglass".

```conllu
# sent_id = question:geography:48-igneous-rocks-and-the-rock-cycle:t3:1
# text = In a fantasy film, a black glassy stone is called "dragonglass".
1	In	in	ADP	IN	_	4	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
3	fantasy	fantasy	NOUN	NN	Number=Sing	4	compound	_	_
4	film	film	NOUN	NN	Number=Sing	11	obl	_	SpaceAfter=No
5	,	,	PUNCT	,	_	4	punct	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
7	black	black	ADJ	JJ	Degree=Pos	9	amod	_	_
8	glassy	glassy	ADJ	JJ	Degree=Pos	9	amod	_	_
9	stone	stone	NOUN	NN	Number=Sing	11	nsubj:pass	_	_
10	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	aux:pass	_	_
11	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
12	"	"	PUNCT	``	_	13	punct	_	SpaceAfter=No
13	dragonglass	dragonglass	NOUN	NN	Number=Sing	11	xcomp	_	SpaceAfter=No
14	"	"	PUNCT	''	_	13	punct	_	SpaceAfter=No
15	.	.	PUNCT	.	_	11	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **call** | present · passive |  | a black glassy stone |  | a fantasy film |  |  | vn initiate\_communication-37.4.2-1 «NP V NP.recipient»: subject=Recipient |

<!-- .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.

<!-- .note -->
*Sentence 2:* What is it in real life?

```conllu
# sent_id = question:geography:48-igneous-rocks-and-the-rock-cycle:t3:2
# text = What is it in real life?
1	What	what	PRON	WP	PronType=Int	0	root	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	1	nsubj	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	real	real	ADJ	JJ	Degree=Pos	6	amod	_	_
6	life	life	NOUN	NN	Number=Sing	1	obl	_	SpaceAfter=No
7	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present |  | stone |  |  |  |  | tree rules |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Coal pressed into glass

```conllu
# sent_id = question:geography:48-igneous-rocks-and-the-rock-cycle:t3:o1:1
# text = Coal pressed into glass
1	Coal	coal	NOUN	NN	Number=Sing	0	root	_	_
2	pressed	press	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	1	acl	_	_
3	into	into	ADP	IN	_	4	case	_	_
4	glass	glass	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **press** | participle |  | Coal *not said here* |  | glass |  |  | vn push-12-1-1 «NP V PP.trajectory»: agent=Agent into glass=Trajectory |

### Option 2 {#o2}

<!-- .ven lang=en -->
Granite polished very smooth

```conllu
# sent_id = question:geography:48-igneous-rocks-and-the-rock-cycle:t3:o2:1
# text = Granite polished very smooth
1	Granite	Granite	PROPN	NNP	Number=Sing	2	nsubj	_	_
2	polished	polish	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	very	very	ADV	RB	_	4	advmod	_	_
4	smooth	smooth	ADJ	JJ	Degree=Pos	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **polish** | past | Granite |  |  |  |  | smooth *property* | vn butter-9.9 «NP V NP.destination»: agent=Agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
Basalt, the rock of the ocean floor

```conllu
# sent_id = question:geography:48-igneous-rocks-and-the-rock-cycle:t3:o3:1
# text = Basalt, the rock of the ocean floor
1	Basalt	basalt	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	rock	rock	NOUN	NN	Number=Sing	1	appos	_	_
5	of	of	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	ocean	ocean	NOUN	NN	Number=Sing	8	compound	_	_
8	floor	floor	NOUN	NN	Number=Sing	4	nmod	_	_
```

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

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Obsidian, lava that cooled too fast for crystals

```conllu
# sent_id = question:geography:48-igneous-rocks-and-the-rock-cycle:t3:o4:1
# text = Obsidian, lava that cooled too fast for crystals
1	Obsidian	Obsidian	PROPN	NNP	Number=Sing	0	root	_	SpaceAfter=No
2	,	,	PUNCT	,	_	3	punct	_	_
3	lava	lava	NOUN	NN	Number=Sing	1	appos	_	_
4	that	that	PRON	WDT	PronType=Rel	5	nsubj	_	_
5	cooled	cool	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	acl:relcl	_	_
6	too	too	ADV	RB	_	7	advmod	_	_
7	fast	fast	ADV	RB	Degree=Pos	5	advmod	_	_
8	for	for	ADP	IN	_	9	case	_	_
9	crystals	crystal	NOUN	NNS	Number=Plur	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cool** | past | lava |  |  |  |  | for crystals; fast *property* | vn other\_cos-45.4 «NP.patient V»: agent=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.

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