---
title: When two continents collide, neither sinks, because continental crus… — Plate tectonics · tree and pragmatics
description: When two continents collide, neither sinks, because continental crust is too light, so the crust crumples upwards into huge mountains, such as the Himalayas, where India is still pushing into Asia. Who acts: two continents, neither, continental crust, crust. A sentence of the lesson «Plate tectonics
---

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# Plate tectonics, sentence 10

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When two continents collide, neither sinks, because continental crust is too light, so the crust crumples upwards into huge mountains, such as the Himalayas, where India is still pushing into Asia.

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**Who acts:** two continents, neither, continental crust, crust, India · **What happens:** collide, sink, be, crumple, push · **To what, where:** huge mountains, Asia

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This is a sentence of the lesson «Plate tectonics» of the geography course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (two continents, neither, continental crust, crust), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:042-plate-tectonics.lesson:10
# text = When two continents collide, neither sinks, because continental crust is too light, so the crust crumples upwards into huge mountains, such as the Himalayas, where India is still pushing into Asia.
# source = school lesson (ours)
# course = geography
# lesson = 042-plate-tectonics.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×2, R6-punct-agree ×1, R7-rel-agree ×2
1	When	when	SCONJ	WRB	_	4	mark	_	_
2	two	two	NUM	CD	NumForm=Word|NumType=Card	3	nummod	_	_
3	continents	continent	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	collide	collide	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	advcl	_	_
5	,	,	PUNCT	,	_	7	punct	_	_
6	neither	neither	PRON	DT	PronType=Neg	7	nsubj	_	_
7	sinks	sink	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	,	,	PUNCT	,	_	7	punct	_	_
9	because	because	SCONJ	IN	_	14	mark	_	_
10	continental	continental	ADJ	JJ	Degree=Pos	11	amod	_	_
11	crust	crust	NOUN	NN	Number=Sing	14	nsubj	_	_
12	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	cop	_	_
13	too	too	ADV	RB	_	14	advmod	_	_
14	light	light	ADJ	JJ	Degree=Pos	7	advcl	_	_
15	,	,	PUNCT	,	_	19	punct	_	Agree=R6-punct-agree|Haiku=7:punct
16	so	so	ADV	RB	_	19	advmod	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
18	crust	crust	NOUN	NN	Number=Sing	19	nsubj	_	_
19	crumples	crumple	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	parataxis	_	Agree=R7-rel-agree|Haiku=7:advcl
20	upwards	upwards	ADV	RB	_	19	advmod	_	Agree=R7-rel-agree|Haiku=19:obj|HaikuPos=NOUN:NNS:Number=Plur
21	into	into	ADP	IN	_	23	case	_	_
22	huge	huge	ADJ	JJ	Degree=Pos	23	amod	_	_
23	mountains	mountain	NOUN	NNS	Number=Plur	19	obl	_	Agree=R5-strong|Haiku=20:nmod
24	,	,	PUNCT	,	_	28	punct	_	_
25	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	28	case	_	_
26	as	as	ADP	IN	_	25	fixed	_	_
27	the	the	DET	DT	Definite=Def|PronType=Art	28	det	_	_
28	Himalayas	himalaya	PROPN	NNPS	Number=Plur	23	nmod	_	Agree=R5-strong|Haiku=20:conj
29	,	,	PUNCT	,	_	34	punct	_	_
30	where	where	ADV	WRB	PronType=Rel	34	advmod	_	_
31	India	India	PROPN	NNP	Number=Sing	34	nsubj	_	_
32	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	34	aux	_	_
33	still	still	ADV	RB	_	34	advmod	_	_
34	pushing	push	VERB	VBG	Tense=Pres|VerbForm=Part	28	acl	_	_
35	into	into	ADP	IN	_	36	case	_	_
36	Asia	Asia	PROPN	NNP	Number=Sing	34	obl	_	_
37	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **collide** | present | two continents |  |  |  |  |  | vn bump-18.4-1 «NP V together»: agent=Theme |
| 2 | **sink** | present | neither |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 3 | **is** | present | continental crust |  |  |  |  | light *property* | tree rules |
| 4 | **crumple** | present | the crust |  |  |  |  | into huge mountains such the Himalayas *result*; upwards *property* | vn bend-45.2 «NP V NP PP.result»: agent=Agent into mountain=Result |
| 5 | **push** | present · progressive | India |  |  | Asia | still |  | vn funnel-9.3-1-1 «NP V NP PP.destination»: agent=Agent into asia=Destination |

<!-- .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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:geography:042-plate-tectonics.lesson:10`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×2, R6-punct-agree ×1, R7-rel-agree ×2. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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