---
title: "mentos + coke is a massive chemical reaction innit". What's true? — Fizzy drinks, Mentos and cola · tree and pragmatics
description: "mentos + coke is a massive chemical reaction innit". What's true? Test 2 · ★ of lesson 19 «Fizzy drinks, Mentos and cola» of the chemistry 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 2 · ★ · Fizzy drinks, Mentos and cola

<!-- .ven lang=en -->
"mentos + coke is a massive chemical reaction innit". What's true?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** mentos · **What happens:** be · **To what, where:** massive chemical reaction innit

<!-- .vabout -->
This is test 2 · ★ of lesson 19 «Fizzy drinks, Mentos and cola» of the chemistry 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/chemistry/19-fizzy-drinks-mentos-and-cola/#t2).

## The question {#question}

<!-- .note -->
*Sentence 1:* "mentos + coke is a massive chemical reaction innit".

```conllu
# sent_id = question:chemistry:19-fizzy-drinks-mentos-and-cola:t2:1
# text = "mentos + coke is a massive chemical reaction innit".
1	"	"	PUNCT	``	_	10	punct	_	SpaceAfter=No
2	mentos	mento	NOUN	NNS	Number=Plur	10	nsubj	_	_
3	+	+	SYM	SYM	_	4	cc	_	_
4	coke	coke	NOUN	NN	Number=Sing	2	conj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
7	massive	massive	ADJ	JJ	Degree=Pos	10	amod	_	_
8	chemical	chemical	ADJ	JJ	Degree=Pos	10	amod	_	_
9	reaction	reaction	NOUN	NN	Number=Sing	10	compound	_	_
10	innit	innit	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
11	"	"	PUNCT	''	_	10	punct	_	SpaceAfter=No
12	.	.	PUNCT	.	_	10	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** *in a quote* | present | mentos + coke | a massive chemical reaction innit |  |  |  |  | tree rules |

<!-- .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's true?

```conllu
# sent_id = question:chemistry:19-fizzy-drinks-mentos-and-cola:t2:2
# text = What's true?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	true	true	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

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

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
No, it's a magnet effect

```conllu
# sent_id = question:chemistry:19-fizzy-drinks-mentos-and-cola:t2:o1:1
# text = No, it's a magnet effect
1	No	no	INTJ	UH	Polarity=Neg	7	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	nsubj	_	SpaceAfter=No
4	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	magnet	magnet	NOUN	NN	Number=Sing	7	compound	_	_
7	effect	effect	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
Yes, the mint and coke make a brand-new gas

```conllu
# sent_id = question:chemistry:19-fizzy-drinks-mentos-and-cola:t2:o2:1
# text = Yes, the mint and coke make a brand-new gas
1	Yes	yes	INTJ	UH	Polarity=Pos	7	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	mint	mint	NOUN	NN	Number=Sing	7	nsubj	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	coke	coke	NOUN	NN	Number=Sing	4	conj	_	_
7	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
9	brand	brand	NOUN	NN	Number=Sing	11	compound	_	SpaceAfter=No
10	-	-	PUNCT	HYPH	_	9	punct	_	SpaceAfter=No
11	new	new	ADJ	JJ	Degree=Pos	12	amod	_	_
12	gas	gas	NOUN	NN	Number=Sing	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | the mint and coke | a new gas |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset gas=Product |

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

<!-- .ven lang=en -->
It's mostly physics: bubbles forming very fast

```conllu
# sent_id = question:chemistry:19-fizzy-drinks-mentos-and-cola:t2:o3:1
# text = It's mostly physics: bubbles forming very fast
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	mostly	mostly	ADV	RB	_	4	advmod	_	_
4	physics	physics	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
5	:	:	PUNCT	:	_	6	punct	_	_
6	bubbles	bubble	NOUN	NNS	Number=Plur	4	conj	_	_
7	forming	form	VERB	VBG	VerbForm=Ger	6	acl	_	_
8	very	very	ADV	RB	_	9	advmod	_	_
9	fast	fast	ADV	RB	Degree=Pos	7	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | physics and bubbles |  |  |  | mostly *property* | tree rules |
| 2 | **form** | gerund | bubbles *not said here* |  |  |  |  | fast *property* | vn appear-48.1.1 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Yes, the mint is a strong acid

```conllu
# sent_id = question:chemistry:19-fizzy-drinks-mentos-and-cola:t2:o4:1
# text = Yes, the mint is a strong acid
1	Yes	yes	INTJ	UH	Polarity=Pos	8	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	mint	mint	NOUN	NN	Number=Sing	8	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	strong	strong	ADJ	JJ	Degree=Pos	8	amod	_	_
8	acid	acid	NOUN	NN	Number=Sing	0	root	_	_
```

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

<!-- div src -->

**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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