---
title: Identify the instrument employed for the measurement of air pressure. — Weather: pressure, wind, clouds and st… · tree and pragmatics
description: Identify the instrument employed for the measurement of air pressure. Exam question 4 of lesson 15 «Weather: pressure, wind, clouds and storms» of the world 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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# Exam question 4 · Weather: pressure, wind, clouds and storms

<!-- .ven lang=en -->
Identify the instrument employed for the measurement of air pressure.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you, instrument · **What happens:** identify, employ, measure · **To what, where:** air pressure

<!-- .vabout -->
This is exam question 4 of lesson 15 «Weather: pressure, wind, clouds and storms» of the world 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/world/15-weather/#e4).

## The question {#question}

```conllu
# sent_id = question:world:15-weather:e4:1
# text = Identify the instrument employed for the measurement of air pressure.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	instrument	instrument	NOUN	NN	Number=Sing	4	nsubj	_	_
4	employed	employ	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	1	ccomp	_	_
5	for	for	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	measurement	measurement	NOUN	NN	Number=Sing	4	obl	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	air	air	NOUN	NN	Number=Sing	10	compound	_	_
10	pressure	pressure	NOUN	NN	Number=Sing	7	nmod	_	SpaceAfter=No
11	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* |  |  |  |  |  | vn characterize-29.2-1-1 «NP V S\_ING»: agent=Agent clause=Theme |
| 2 | **employ** | past | the instrument |  |  |  |  | for the measurement of air pressure | vn use-105.1 «NP V NP PP.predicate»: agent=Agent for measurement=Eventuality |
| 3 | **measure** |  |  | air pressure |  |  |  |  | nom measurement «act transitive»: of=patient |

<!-- .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 -->
A wind vane

```conllu
# sent_id = question:world:15-weather:e4:o1:1
# text = A wind vane
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	wind	wind	NOUN	NN	Number=Sing	3	compound	_	_
3	vane	vane	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
A rain gauge

```conllu
# sent_id = question:world:15-weather:e4:o2:1
# text = A rain gauge
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	rain	rain	NOUN	NN	Number=Sing	3	compound	_	_
3	gauge	gauge	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
A thermometer

```conllu
# sent_id = question:world:15-weather:e4:o3:1
# text = A thermometer
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	thermometer	thermometer	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 -->
A barometer

```conllu
# sent_id = question:world:15-weather:e4:o4:1
# text = A barometer
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	barometer	barometer	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: [Weather: pressure, wind, clouds and st…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/world/15-weather/e3/)
- next →: [Climate zones, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/world/16-climate-zones/t1/)
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