---
title: Identify the principal condition favouring the formation of a fossil. — Fossils · tree and pragmatics
description: Identify the principal condition favouring the formation of a fossil. Exam question 2 of lesson 57 «Fossils» of the geography 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 2 · Fossils

<!-- .ven lang=en -->
Identify the principal condition favouring the formation of a fossil.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** you, principal condition · **What happens:** identify, favour · **To what, where:** principal condition, formation

<!-- .vabout -->
This is exam question 2 of lesson 57 «Fossils» of the geography 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/geography/57-fossils/#e2).

## The question {#question}

```conllu
# sent_id = question:geography:57-fossils:e2:1
# text = Identify the principal condition favouring the formation of a fossil.
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	condition	condition	NOUN	NN	Number=Sing	1	obj	_	_
5	favouring	favour	VERB	VBG	VerbForm=Ger	4	acl	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	formation	formation	NOUN	NN	Number=Sing	5	obj	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	fossil	fossil	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* | the principal condition |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent condition=Theme |
| 2 | **favour** | gerund | the principal condition *not said here* | the formation of a fossil |  |  |  |  | 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 {#o1}

<!-- .ven lang=en -->
Immersion of the organism in molten lava

```conllu
# sent_id = question:geography:57-fossils:e2:o1:1
# text = Immersion of the organism in molten lava
1	Immersion	immersion	NOUN	NN	Number=Sing	0	root	_	_
2	of	of	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	organism	organism	NOUN	NN	Number=Sing	1	nmod	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	molten	molten	ADJ	JJ	Degree=Pos	7	amod	_	_
7	lava	lava	NOUN	NN	Number=Sing	4	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **immerse** |  |  | the organism in molten lava |  |  |  |  | nom immersion «event transitive»: of=patient |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Rapid burial of the organism in sediment subsequently lithified

```conllu
# sent_id = question:geography:57-fossils:e2:o2:1
# text = Rapid burial of the organism in sediment subsequently lithified
1	Rapid	rapid	ADJ	JJ	Degree=Pos	2	amod	_	_
2	burial	burial	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	organism	organism	NOUN	NN	Number=Sing	2	nmod	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	sediment	sediment	NOUN	NN	Number=Sing	5	nmod	_	_
8	subsequently	subsequently	ADV	RB	_	9	advmod	_	_
9	lithified	lithify	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	acl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lithify** | participle |  | sediment *not said here* |  |  |  | subsequently *property* | tree rules |
| 2 | **bury** |  |  | the organism in sediment |  |  |  |  | nom burial «event transitive»: of=patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
Consumption of the organism by scavengers

```conllu
# sent_id = question:geography:57-fossils:e2:o3:1
# text = Consumption of the organism by scavengers
1	Consumption	consumption	NOUN	NN	Number=Sing	0	root	_	_
2	of	of	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	organism	organism	NOUN	NN	Number=Sing	1	nmod	_	_
5	by	by	ADP	IN	_	6	case	_	_
6	scavengers	scavenger	NOUN	NNS	Number=Plur	4	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **consume** |  |  | the organism by scavengers |  |  |  |  | nom consumption «act transitive»: of=patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
Prolonged exposure of the organism to sunlight upon the open ground

```conllu
# sent_id = question:geography:57-fossils:e2:o4:1
# text = Prolonged exposure of the organism to sunlight upon the open ground
1	Prolonged	prolong	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	amod	_	_
2	exposure	exposure	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	organism	organism	NOUN	NN	Number=Sing	2	nmod	_	_
6	to	to	ADP	IN	_	7	case	_	_
7	sunlight	sunlight	NOUN	NN	Number=Sing	5	nmod	_	_
8	upon	upon	ADP	IN	_	11	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
10	open	open	ADJ	JJ	Degree=Pos	11	amod	_	_
11	ground	ground	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **prolong** | participle |  |  |  |  |  |  | vn sustain-55.6 «NP V NP PP.instrument»: agent=Agent |

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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.

<!-- /div -->

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