---
title: Leo says the plates float on a sea of liquid lava. Put him right. — Plate tectonics · tree and pragmatics
description: Leo says the plates float on a sea of liquid lava. Put him right. Test 1 · ★ of lesson 42 «Plate tectonics» 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 1 · ★ · Plate tectonics

<!-- .ven lang=en -->
Leo says the plates float on a sea of liquid lava. Put him right.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** Leo, plates, you · **What happens:** say, float, put · **To what, where:** sea, Leo · **Speech:** someone speaks here

<!-- .vabout -->
This is test 1 · ★ of lesson 42 «Plate tectonics» 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/42-plate-tectonics/#t1).

## The question {#question}

<!-- .note -->
*Sentence 1:* Leo says the plates float on a sea of liquid lava.

```conllu
# sent_id = question:geography:42-plate-tectonics:t1:1
# text = Leo says the plates float on a sea of liquid lava.
1	Leo	Leo	PROPN	NNP	Number=Sing	2	nsubj	_	_
2	says	say	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	plates	plate	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	float	float	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	ccomp	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	sea	sea	NOUN	NN	Number=Sing	5	obl	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	liquid	liquid	ADJ	JJ	Degree=Pos	11	amod	_	_
11	lava	lava	NOUN	NN	Number=Sing	8	nmod	_	SpaceAfter=No
12	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **say** *speech: assert* | present | Leo |  |  |  |  |  | vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic |
| 2 | **float** | present | the plates |  |  | a sea of liquid lava |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme on sea=Trajectory |

<!-- .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:* Put him right.

```conllu
# sent_id = question:geography:42-plate-tectonics:t1:2
# text = Put him right.
1	Put	put	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	him	he	PRON	PRP	Case=Acc|Gender=Masc|Number=Sing|Person=3|PronType=Prs	1	obj	_	_
3	right	right	ADV	RB	_	1	advmod	_	SpaceAfter=No
4	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **put** | imperative | you *not said here* |  | Leo |  |  | right *property* | vn invest-13.5.4-1 «NP V PP»: agent=Agent he=Goal |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
They float on the liquid inner core, which is made of hot iron

```conllu
# sent_id = question:geography:42-plate-tectonics:t1:o1:1
# text = They float on the liquid inner core, which is made of hot iron
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	float	float	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	on	on	ADP	IN	_	7	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
5	liquid	liquid	NOUN	NN	Number=Sing	7	compound	_	_
6	inner	inner	ADJ	JJ	Degree=Pos	7	amod	_	_
7	core	core	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	11	punct	_	_
9	which	which	PRON	WDT	PronType=Rel	11	nsubj:pass	_	_
10	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	aux:pass	_	_
11	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	acl:relcl	_	_
12	of	of	ADP	IN	_	14	case	_	_
13	hot	hot	ADJ	JJ	Degree=Pos	14	amod	_	_
14	iron	iron	NOUN	NN	Number=Sing	11	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float** | present | They |  |  | the liquid inner core |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme on core=Trajectory |
| 2 | **make** | present · passive |  | the liquid inner core |  |  |  | of hot iron | vn build-26.1-1 «NP.asset V NP»: subject=Product |

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

<!-- .ven lang=en -->
They ride on solid mantle rock that flows very slowly

```conllu
# sent_id = question:geography:42-plate-tectonics:t1:o2:1
# text = They ride on solid mantle rock that flows very slowly
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	ride	ride	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	on	on	ADP	IN	_	6	case	_	_
4	solid	solid	ADJ	JJ	Degree=Pos	6	amod	_	_
5	mantle	mantle	NOUN	NN	Number=Sing	6	compound	_	_
6	rock	rock	NOUN	NN	Number=Sing	2	obl	_	_
7	that	that	PRON	WDT	PronType=Rel	8	nsubj	_	_
8	flows	flow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
9	very	very	ADV	RB	_	10	advmod	_	_
10	slowly	slowly	ADV	RB	_	8	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ride** | present | They |  |  | solid mantle rock |  |  | vn nonvehicle-51.4.2 «NP.agent V»: agent=Agent |
| 2 | **flow** | present | solid mantle rock |  |  |  |  | slowly *property* | vn appear-48.1.1 «NP V»: agent=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
He's right, the mantle is runny lava

```conllu
# sent_id = question:geography:42-plate-tectonics:t1:o3:1
# text = He's right, the mantle is runny lava
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	right	right	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	,	,	PUNCT	,	_	9	punct	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	mantle	mantle	NOUN	NN	Number=Sing	9	nsubj	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
8	runny	runny	ADJ	JJ	Degree=Pos	9	amod	_	_
9	lava	lava	NOUN	NN	Number=Sing	3	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | He |  |  |  |  | right *property* | tree rules |
| 2 | **is a** | present | the mantle | runny lava |  |  |  |  | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
They sit on a layer of seawater

```conllu
# sent_id = question:geography:42-plate-tectonics:t1:o4:1
# text = They sit on a layer of seawater
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	sit	sit	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	on	on	ADP	IN	_	5	case	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	layer	layer	NOUN	NN	Number=Sing	2	obl	_	_
6	of	of	ADP	IN	_	7	case	_	_
7	seawater	seawater	NOUN	NN	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sit** | present | They |  |  | a layer of seawater |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent on layer=Location |

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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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