---
title: Two balloons both rubbed on your hair hang side by side on strings.… — Static electricity: balloons, hair and… · tree and pragmatics
description: Two balloons both rubbed on your hair hang side by side on strings. What do they do? Test 9 of lesson 26 «Static electricity: balloons, hair and sparks» of the physics 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 9 · Static electricity: balloons, hair and sparks

<!-- .ven lang=en -->
Two balloons both rubbed on your hair hang side by side on strings. What do they do?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** Two balloons, balloons · **What happens:** rub, hang, do · **To what, where:** hair, side, strings

<!-- .vabout -->
This is test 9 of lesson 26 «Static electricity: balloons, hair and sparks» of the physics 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/physics/26-static-electricity-balloons-hair-and-sparks/#t9).

## The question {#question}

<!-- .note -->
*Sentence 1:* Two balloons both rubbed on your hair hang side by side on strings.

```conllu
# sent_id = question:physics:26-static-electricity-balloons-hair-and-sparks:t9:1
# text = Two balloons both rubbed on your hair hang side by side on strings.
1	Two	two	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	balloons	balloon	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	both	both	ADV	RB	_	4	advmod	_	_
4	rubbed	rub	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	hair	hair	NOUN	NN	Number=Sing	4	obl	_	_
8	hang	hang	VERB	VB	VerbForm=Inf	4	xcomp	_	_
9	side	side	NOUN	NN	Number=Sing	8	obj	_	_
10	by	by	ADP	IN	_	11	case	_	_
11	side	side	NOUN	NN	Number=Sing	8	obl	_	_
12	on	on	ADP	IN	_	13	case	_	_
13	strings	string	NOUN	NNS	Number=Plur	8	obl	_	SpaceAfter=No
14	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **rub** | past | Two balloons |  |  | your hair |  | both *property* | tree rules |
| 2 | **hang** | infinitive | Two balloons *not said here* | side |  | strings |  | by side | vn put\_spatial-9.2 «NP V NP PP.destination»: agent=Agent side=Theme by side=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.

<!-- .note -->
*Sentence 2:* What do they do?

```conllu
# sent_id = question:physics:26-static-electricity-balloons-hair-and-sparks:t9:2
# text = What do they do?
1	What	what	PRON	WP	PronType=Int	4	obj	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	4	nsubj	_	_
4	do	do	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
5	?	?	PUNCT	.	_	4	punct	_	_
```

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

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Pop at once

```conllu
# sent_id = question:physics:26-static-electricity-balloons-hair-and-sparks:t9:o1:1
# text = Pop at once
1	Pop	pop	NOUN	NN	Number=Sing	0	root	_	_
2	at	at	ADP	IN	_	3	case	_	_
3	once	once	ADV	RB	NumForm=Word|NumType=Mult	1	obl	_	_
```

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

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Push away from each other, because they have the same charge

```conllu
# sent_id = question:physics:26-static-electricity-balloons-hair-and-sparks:t9:o2:1
# text = Push away from each other, because they have the same charge
1	Push	push	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	away	away	ADV	RB	_	1	advmod	_	_
3	from	from	ADP	IN	_	4	case	_	_
4	each	each	DET	DT	ExtPos=PRON|PronType=Rcp	1	obl	_	_
5	other	other	ADJ	JJ	Degree=Pos	4	fixed	_	SpaceAfter=No
6	,	,	PUNCT	,	_	9	punct	_	_
7	because	because	SCONJ	IN	_	9	mark	_	_
8	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	9	nsubj	_	_
9	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	1	parataxis	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
11	same	same	ADJ	JJ	Degree=Pos	12	amod	_	_
12	charge	charge	NOUN	NN	Number=Sing	9	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **push away** | imperative | you *not said here* |  |  |  |  | from each; away *property* | vn split-23.2 «NP V PP.co-patient»: agent=Patient from each=Co-Patient |
| 2 | **have** | present | they | the same charge |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent charge=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
Snap together tightly

```conllu
# sent_id = question:physics:26-static-electricity-balloons-hair-and-sparks:t9:o3:1
# text = Snap together tightly
1	Snap	snap	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	together	together	ADV	RB	_	1	advmod	_	_
3	tightly	tightly	ADV	RB	_	1	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **snap** | imperative | you *not said here* |  |  |  |  | tightly, together *property* | vn sound\_emission-43.2 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Hang touching, doing nothing

```conllu
# sent_id = question:physics:26-static-electricity-balloons-hair-and-sparks:t9:o4:1
# text = Hang touching, doing nothing
1	Hang	hang	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	touching	touching	NOUN	NN	Number=Sing	1	obj	_	SpaceAfter=No
3	,	,	PUNCT	,	_	4	punct	_	_
4	doing	do	VERB	VBG	Tense=Pres|VerbForm=Part	1	advcl	_	_
5	nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hang** | imperative | you *not said here* | touching |  |  |  |  | vn poison-42.2 «NP V NP»: agent=Agent touching=Patient |
| 2 | **do** | gerund | you *not said here* | nothing |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent nothing=Eventuality |

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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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