---
title: State the lunar phase at which, and at which alone, a lunar eclipse… — Eclipses · tree and pragmatics
description: State the lunar phase at which, and at which alone, a lunar eclipse may occur. Exam question 2 of lesson 8 «Eclipses» 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 right.
---

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# Exam question 2 · Eclipses

<!-- .ven lang=en -->
State the lunar phase at which, and at which alone, a lunar eclipse may occur.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** lunar eclipse · **What happens:** occur · **To what, where:** lunar phase

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This is exam question 2 of lesson 8 «Eclipses» 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/8-eclipses/#e2).

## The question {#question}

```conllu
# sent_id = question:world:8-eclipses:e2:1
# text = State the lunar phase at which, and at which alone, a lunar eclipse may occur.
1	State	state	NOUN	NN	Number=Sing	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	lunar	lunar	ADJ	JJ	Degree=Pos	4	amod	_	_
4	phase	phase	NOUN	NN	Number=Sing	1	appos	_	_
5	at	at	ADP	IN	_	6	case	_	_
6	which	which	PRON	WDT	PronType=Rel	17	obl	_	SpaceAfter=No
7	,	,	PUNCT	,	_	17	punct	_	_
8	and	and	CCONJ	CC	_	17	cc	_	_
9	at	at	ADP	IN	_	10	case	_	_
10	which	which	PRON	WDT	PronType=Rel	17	obj	_	_
11	alone	alone	ADV	RB	_	10	advmod	_	SpaceAfter=No
12	,	,	PUNCT	,	_	10	punct	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
14	lunar	lunar	ADJ	JJ	Degree=Pos	15	amod	_	_
15	eclipse	eclipse	NOUN	NN	Number=Sing	17	nsubj	_	_
16	may	may	AUX	MD	VerbForm=Fin	17	aux	_	_
17	occur	occur	VERB	VB	VerbForm=Inf	4	acl:relcl	_	SpaceAfter=No
18	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **occur** | may | a lunar eclipse | the lunar phase |  | the lunar phase |  |  | 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.

## The options {#options}

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

<!-- .ven lang=en -->
Full moon

```conllu
# sent_id = question:world:8-eclipses:e2:o1:1
# text = Full moon
1	Full	full	ADJ	JJ	Degree=Pos	2	amod	_	_
2	moon	moon	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
New moon

```conllu
# sent_id = question:world:8-eclipses:e2:o2:1
# text = New moon
1	New	new	ADJ	JJ	Degree=Pos	2	amod	_	_
2	moon	moon	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
Last quarter

```conllu
# sent_id = question:world:8-eclipses:e2:o3:1
# text = Last quarter
1	Last	last	ADJ	JJ	Degree=Pos	2	amod	_	_
2	quarter	quarter	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
First quarter

```conllu
# sent_id = question:world:8-eclipses:e2:o4:1
# text = First quarter
1	First	first	ADV	RB	NumForm=Word|NumType=Ord	2	advmod	_	_
2	quarter	quarter	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: [Eclipses, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/world/8-eclipses/e1/)
- next →: [Eclipses, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/world/8-eclipses/e3/)
- ↑ back to [Eclipses](https://md.mova.elamur.ai/free/en/corpora/questions/world/8-eclipses/)