---
title: Upon what substance did Oz apply a coating in order to render the ba… — Oz, The Wonderful Wizard of Oz, part 2… · tree and pragmatics
description: Upon what substance did Oz apply a coating in order to render the balloon airtight? Exam question 1 of lesson 1607 «Oz, The Wonderful Wizard of Oz, part 22: Oz floats away in a balloon, and Dorothy is left behind» of the books course of Mova's primary school, with the dependency tree and pragmatics 
---

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# Exam question 1 · Oz, The Wonderful Wizard of Oz, part 22: Oz floats away in…

<!-- .ven lang=en -->
Upon what substance did Oz apply a coating in order to render the balloon airtight?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** substance · **What happens:** apply, render · **To what, where:** coating, balloon

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This is exam question 1 of lesson 1607 «Oz, The Wonderful Wizard of Oz, part 22: Oz floats away in a balloon, and Dorothy is left behind» of the books course of Mova's primary school, asked in stiff, formal language. 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/books/1607-pg55-part22/#e1).

## The question {#question}

```conllu
# sent_id = question:books:1607-pg55-part22:e1:1
# text = Upon what substance did Oz apply a coating in order to render the balloon airtight?
1	Upon	upon	ADP	IN	_	2	case	_	_
2	what	what	PRON	WP	PronType=Rel	6	obl	_	_
3	substance	substance	NOUN	NN	Number=Sing	6	nsubj	_	_
4	did	do	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	aux	_	_
5	Oz	Oz	PROPN	NNP	Number=Sing	6	nsubj	_	_
6	apply	apply	VERB	VB	VerbForm=Inf	0	root	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	coating	coating	NOUN	NN	Number=Sing	6	obj	_	_
9	in	in	SCONJ	IN	ExtPos=SCONJ	12	mark	_	_
10	order	order	NOUN	NN	Number=Sing	9	fixed	_	_
11	to	to	PART	TO	_	12	mark	_	_
12	render	render	VERB	VB	VerbForm=Inf	6	advcl	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	balloon	balloon	NOUN	NN	Number=Sing	12	obj	_	_
15	airtight	airtight	ADJ	JJ	Degree=Pos	12	xcomp	_	SpaceAfter=No
16	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **apply** | past · do-support | substance | a coating |  |  |  |  | vn put-9.1-1 «NP V NP PP.destination»: agent=Agent coating=Theme upon what=Destination |
| 2 | **render** | to-infinitive | substance *not said here* | the balloon |  |  |  | airtight *property* | vn give-13.1 «NP V NP»: agent=Agent balloon=Theme |

<!-- .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.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Thick varnish

```conllu
# sent_id = question:books:1607-pg55-part22:e1:o1:1
# text = Thick varnish
1	Thick	thick	ADJ	JJ	Degree=Pos	2	amod	_	_
2	varnish	varnish	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
Gum

```conllu
# sent_id = question:books:1607-pg55-part22:e1:o2:1
# text = Gum
1	Gum	gum	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
Paint

```conllu
# sent_id = question:books:1607-pg55-part22:e1:o3:1
# text = Paint
1	Paint	paint	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Thin glue

```conllu
# sent_id = question:books:1607-pg55-part22:e1:o4:1
# text = Thin glue
1	Thin	thin	ADJ	JJ	Degree=Pos	2	amod	_	_
2	glue	glue	NOUN	NN	Number=Sing	0	root	_	_
```

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

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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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- ← previous: [Oz, The Wonderful Wizard of Oz, part 2…, test 14](https://md.mova.elamur.ai/free/en/corpora/questions/books/1607-pg55-part22/t14/)
- next →: [Oz, The Wonderful Wizard of Oz, part 2…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/books/1607-pg55-part22/e2/)
- ↑ back to [Oz, The Wonderful Wizard of Oz, part 22: Oz floats away in a balloon, and Dorothy is left behind](https://md.mova.elamur.ai/free/en/corpora/questions/books/1607-pg55-part22/)