---
title: Identify the principal origin of the somnolence experienced during a… — Why we sleep when ill · tree and pragmatics
description: Identify the principal origin of the somnolence experienced during an infectious illness. Exam question 1 of lesson 31 «Why we sleep when ill» of the medicine 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 1 · Why we sleep when ill

<!-- .ven lang=en -->
Identify the principal origin of the somnolence experienced during an infectious illness.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you · **What happens:** identify, experience · **To what, where:** principal origin, somnolence

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This is exam question 1 of lesson 31 «Why we sleep when ill» of the medicine 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/medicine/31-why-we-sleep-when-ill/#e1).

## The question {#question}

```conllu
# sent_id = question:medicine:31-why-we-sleep-when-ill:e1:1
# text = Identify the principal origin of the somnolence experienced during an infectious illness.
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	origin	origin	NOUN	NN	Number=Sing	1	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	somnolence	somnolence	NOUN	NN	Number=Sing	4	nmod	_	_
8	experienced	experience	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	acl	_	_
9	during	during	ADP	IN	_	12	case	_	_
10	an	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	infectious	infectious	ADJ	JJ	Degree=Pos	12	amod	_	_
12	illness	illness	NOUN	NN	Number=Sing	8	obl	_	SpaceAfter=No
13	.	.	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 origin of the somnolence |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent origin=Theme |
| 2 | **experience** | participle |  | the somnolence *not said here* |  |  | during a infectious illness |  | vn sight-30.2 «NP V NP»: agent=Experiencer |

<!-- .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 -->
Insufficient stimulation at home

```conllu
# sent_id = question:medicine:31-why-we-sleep-when-ill:e1:o1:1
# text = Insufficient stimulation at home
1	Insufficient	insufficient	ADJ	JJ	Degree=Pos	2	amod	_	_
2	stimulation	stimulation	NOUN	NN	Number=Sing	0	root	_	_
3	at	at	ADP	IN	_	4	case	_	_
4	home	home	NOUN	NN	Number=Sing	2	nmod	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
Direct consumption of energy by the pathogen

```conllu
# sent_id = question:medicine:31-why-we-sleep-when-ill:e1:o2:1
# text = Direct consumption of energy by the pathogen
1	Direct	direct	ADJ	JJ	Degree=Pos	2	amod	_	_
2	consumption	consumption	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	energy	energy	NOUN	NN	Number=Sing	2	nmod	_	_
5	by	by	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	pathogen	pathogen	NOUN	NN	Number=Sing	2	nmod	_	_
```

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

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Chemical messengers released by the immune system

```conllu
# sent_id = question:medicine:31-why-we-sleep-when-ill:e1:o3:1
# text = Chemical messengers released by the immune system
1	Chemical	chemical	ADJ	JJ	Degree=Pos	2	amod	_	_
2	messengers	messenger	NOUN	NNS	Number=Plur	0	root	_	_
3	released	release	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	acl	_	_
4	by	by	ADP	IN	_	7	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	immune	immune	NOUN	NN	Number=Sing	7	compound	_	_
7	system	system	NOUN	NN	Number=Sing	3	obl:agent	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **release** | participle |  | Chemical messengers *not said here* |  |  |  |  | vn free-10.6.3-1 «NP V NP S\_ING»: agent=Causer |

### Option 4 {#o4}

<!-- .ven lang=en -->
The invariable effect of medicaments

```conllu
# sent_id = question:medicine:31-why-we-sleep-when-ill:e1:o4:1
# text = The invariable effect of medicaments
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	invariable	invariable	ADJ	JJ	Degree=Pos	3	amod	_	_
3	effect	effect	NOUN	NN	Number=Sing	0	root	_	_
4	of	of	ADP	IN	_	5	case	_	_
5	medicaments	medicament	NOUN	NNS	Number=Plur	3	nmod	_	_
```

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

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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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