---
title: Little brother: "toothpaste is just for nice breath". What else does… — Alkalis and soda, and how they cancel… · tree and pragmatics
description: Little brother: "toothpaste is just for nice breath". What else does it do? Test 7 · ★ of lesson 16 «Alkalis and soda, and how they cancel acids» 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 right.
---

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# Test 7 · ★ · Alkalis and soda, and how they cancel acids

<!-- .ven lang=en -->
Little brother: "toothpaste is just for nice breath". What else does it do?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** toothpaste · **What happens:** be, do

<!-- .vabout -->
This is test 7 · ★ of lesson 16 «Alkalis and soda, and how they cancel acids» 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/16-alkalis-and-soda/#t7).

## The question {#question}

<!-- .note -->
*Sentence 1:* Little brother: "toothpaste is just for nice breath".

```conllu
# sent_id = question:chemistry:16-alkalis-and-soda:t7:1
# text = Little brother: "toothpaste is just for nice breath".
1	Little	little	ADJ	JJ	Degree=Pos	2	amod	_	_
2	brother	brother	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
3	:	:	PUNCT	:	_	10	punct	_	_
4	"	"	PUNCT	``	_	10	punct	_	SpaceAfter=No
5	toothpaste	toothpaste	NOUN	NN	Number=Sing	10	nsubj	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
7	just	just	ADV	RB	_	10	advmod	_	_
8	for	for	ADP	IN	_	10	case	_	_
9	nice	nice	ADJ	JJ	Degree=Pos	10	amod	_	_
10	breath	breath	NOUN	NN	Number=Sing	2	appos	_	SpaceAfter=No
11	"	"	PUNCT	''	_	10	punct	_	SpaceAfter=No
12	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** *in a quote* | present | toothpaste |  |  |  |  | for nice breath | 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 else does it do?

```conllu
# sent_id = question:chemistry:16-alkalis-and-soda:t7:2
# text = What else does it do?
1	What	what	PRON	WP	PronType=Int	5	obj	_	_
2	else	else	ADV	RB	_	1	advmod	_	_
3	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux	_	_
4	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
5	do	do	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
6	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present · do-support | toothpaste |  |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent what=Eventuality |

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Helps cancel acid and toughens enamel

```conllu
# sent_id = question:chemistry:16-alkalis-and-soda:t7:o1:1
# text = Helps cancel acid and toughens enamel
1	Helps	help	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	cancel	cancel	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	acid	acid	NOUN	NN	Number=Sing	2	obj	_	_
4	and	and	CCONJ	CC	_	5	cc	_	_
5	toughens	toughen	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
6	enamel	enamel	NOUN	NN	Number=Sing	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cancel** | present | Helps | acid |  |  |  |  | tree rules |
| 2 | **toughen** | present | Helps *not said here* | enamel |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent enamel=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
Turns sugar into vitamins

```conllu
# sent_id = question:chemistry:16-alkalis-and-soda:t7:o2:1
# text = Turns sugar into vitamins
1	Turns	turn	NOUN	NNS	Number=Plur	2	compound	_	_
2	sugar	sugar	NOUN	NN	Number=Sing	0	root	_	_
3	into	into	ADP	IN	_	4	case	_	_
4	vitamins	vitamin	NOUN	NNS	Number=Plur	2	nmod	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
Makes your teeth grow back

```conllu
# sent_id = question:chemistry:16-alkalis-and-soda:t7:o3:1
# text = Makes your teeth grow back
1	Makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
2	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	3	nmod:poss	_	_
3	teeth	tooth	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	grow	grow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	back	back	ADV	RB	_	4	advmod	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
Kills germs in your tummy

```conllu
# sent_id = question:chemistry:16-alkalis-and-soda:t7:o4:1
# text = Kills germs in your tummy
1	Kills	kill	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
2	germs	germ	NOUN	NNS	Number=Plur	1	obj	_	_
3	in	in	ADP	IN	_	5	case	_	_
4	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	tummy	tummy	NOUN	NN	Number=Sing	1	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **kill** | present |  | germs |  | your tummy |  |  | vn remove-10.1 «NP V NP»: agent=Agent germ=Theme |

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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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