---
title: Identify the principal purpose for which the eclipses of the satelli… — Jupiter's moons · tree and pragmatics
description: Identify the principal purpose for which the eclipses of the satellites of Jupiter were employed during the seventeenth century. Exam question 4 of lesson 11 «Jupiter's moons» of the space course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mo
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/space/11-jupiters-moons/e4/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Space](https://md.mova.elamur.ai/free/en/corpora/questions/space/) / [Jupiter's moons](https://md.mova.elamur.ai/free/en/corpora/questions/space/11-jupiters-moons/) / e4

# Exam question 4 · Jupiter's moons

<!-- .ven lang=en -->
Identify the principal purpose for which the eclipses of the satellites of Jupiter were employed during the seventeenth century.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you · **What happens:** identify, employ, eclipse · **To what, where:** principal purpose, eclipses, satellites

<!-- .vabout -->
This is exam question 4 of lesson 11 «Jupiter's moons» of the space 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/space/11-jupiters-moons/#e4).

## The question {#question}

```conllu
# sent_id = question:space:11-jupiters-moons:e4:1
# text = Identify the principal purpose for which the eclipses of the satellites of Jupiter were employed during the seventeenth century.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	purpose	purpose	NOUN	NN	Number=Sing	1	obj	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	which	which	PRON	WDT	PronType=Rel	15	obl	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	eclipses	eclipse	NOUN	NNS	Number=Plur	15	nsubj:pass	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	satellites	satellite	NOUN	NNS	Number=Plur	8	nmod	_	_
12	of	of	ADP	IN	_	13	case	_	_
13	Jupiter	Jupiter	PROPN	NNP	Number=Sing	11	nmod	_	_
14	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	15	aux:pass	_	_
15	employed	employ	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl:relcl	_	_
16	during	during	ADP	IN	_	19	case	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
18	seventeenth	seventeenth	NOUN	NN	Number=Sing	19	compound	_	_
19	century	century	NOUN	NN	Number=Sing	15	obl	_	SpaceAfter=No
20	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the principal purpose |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent purpose=Theme |
| 2 | **employ** | past · passive |  | the eclipses of the satellites of Jupiter |  |  | century | for the principal purpose | vn use-105.1 «NP V NP PP.predicate»: subject=Theme for which=Eventuality |
| 3 | **eclipse** |  |  | the satellites of Jupiter |  |  |  |  | nom eclipse «event 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 -->
The measurement of the Earth's mass

```conllu
# sent_id = question:space:11-jupiters-moons:e4:o1:1
# text = The measurement of the Earth's mass
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	measurement	measurement	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	7	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	Earth	Earth	PROPN	NNP	Number=Sing	7	nmod:poss	_	SpaceAfter=No
6	's	's	PART	POS	_	5	case	_	_
7	mass	mass	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **measure** |  |  | the Earth's mass |  |  |  |  | nom measurement «act transitive»: of=patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
The calculation of the date of Easter each year

```conllu
# sent_id = question:space:11-jupiters-moons:e4:o2:1
# text = The calculation of the date of Easter each year
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	calculation	calculation	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	date	date	NOUN	NN	Number=Sing	2	nmod	_	_
6	of	of	ADP	IN	_	7	case	_	_
7	Easter	Easter	PROPN	NNP	Number=Sing	5	nmod	_	_
8	each	each	DET	DT	PronType=Tot	9	det	_	_
9	year	year	NOUN	NN	Number=Sing	2	nmod:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **calculate** |  | the date of Easter |  |  |  |  |  | nom calculation «act intransitive»: of=agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
The prediction of tides

```conllu
# sent_id = question:space:11-jupiters-moons:e4:o3:1
# text = The prediction of tides
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	prediction	prediction	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	tides	tide	NOUN	NNS	Number=Plur	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **predict** |  |  | tides |  |  |  |  | nom prediction «cognition transitive»: of=patient |

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

<!-- .ven lang=en -->
The determination of longitude on land

```conllu
# sent_id = question:space:11-jupiters-moons:e4:o4:1
# text = The determination of longitude on land
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	determination	determination	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	longitude	longitude	NOUN	NN	Number=Sing	2	nmod	_	_
5	on	on	ADP	IN	_	6	case	_	_
6	land	land	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **determine** |  | longitude |  |  | land |  |  | nom determination «act intransitive»: of=agent on=place |

<!-- 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 -->

<!-- pn -->
- ← previous: [Jupiter's moons, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/space/11-jupiters-moons/e3/)
- next →: [Saturn and its rings, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/space/12-saturn-and-its-rings/t1/)
- ↑ back to [Jupiter's moons](https://md.mova.elamur.ai/free/en/corpora/questions/space/11-jupiters-moons/)