---
title: Identify the principal origin of the gas expelled from the large int… — The body's rough side: burps, farts, s… · tree and pragmatics
description: Identify the principal origin of the gas expelled from the large intestine. Exam question 1 of lesson 364 «The body's rough side: burps, farts, snot, sneezes, hiccups and poo» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; 
---

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# Exam question 1 · The body's rough side: burps, farts, snot, sneezes, hiccup…

<!-- .ven lang=en -->
Identify the principal origin of the gas expelled from the large intestine.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you · **What happens:** identify, expel · **To what, where:** principal origin, gas, large intestine

<!-- .vabout -->
This is exam question 1 of lesson 364 «The body's rough side: burps, farts, snot, sneezes, hiccups and poo» of the biology 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/biology/364-the-body-s-rough-side-burps-farts-snot-sneezes-hiccups-and-poo/#e1).

## The question {#question}

```conllu
# sent_id = question:biology:364-the-body-s-rough-side-burps-farts-snot-sneezes-hiccups-and-poo:e1:1
# text = Identify the principal origin of the gas expelled from the large intestine.
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	gas	gas	NOUN	NN	Number=Sing	4	nmod	_	_
8	expelled	expel	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	acl	_	_
9	from	from	ADP	IN	_	12	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
11	large	large	ADJ	JJ	Degree=Pos	12	amod	_	_
12	intestine	intestine	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 gas |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent origin=Theme |
| 2 | **expel** | participle |  | the gas *not said here* |  | the large intestine |  |  | vn banish-10.2 «NP V NP PP.source»: agent=Agent from intestine=Source |

<!-- .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 combustion of food within the stomach

```conllu
# sent_id = question:biology:364-the-body-s-rough-side-burps-farts-snot-sneezes-hiccups-and-poo:e1:o1:1
# text = The combustion of food within the stomach
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	combustion	combustion	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	food	food	NOUN	NN	Number=Sing	2	nmod	_	_
5	within	within	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	stomach	stomach	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **combust** |  | food |  |  |  |  | within the stomach | nom combustion «process intransitive»: of=agent within=obl |

### Option 2 {#o2}

<!-- .ven lang=en -->
The inhalation of air through the nose

```conllu
# sent_id = question:biology:364-the-body-s-rough-side-burps-farts-snot-sneezes-hiccups-and-poo:e1:o2:1
# text = The inhalation of air through the nose
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	inhalation	inhalation	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	air	air	NOUN	NN	Number=Sing	2	nmod	_	_
5	through	through	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	nose	nose	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **inhale** |  |  | air |  | the nose |  |  | nom inhalation «act transitive»: of=patient through=place |

### Option 3 {#o3}

<!-- .ven lang=en -->
The release of gas from the lungs

```conllu
# sent_id = question:biology:364-the-body-s-rough-side-burps-farts-snot-sneezes-hiccups-and-poo:e1:o3:1
# text = The release of gas from the lungs
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	release	release	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	gas	gas	NOUN	NN	Number=Sing	2	nmod	_	_
5	from	from	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	lungs	lung	NOUN	NNS	Number=Plur	2	nmod	_	_
```

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

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

<!-- .ven lang=en -->
The fermentation of dietary fibre by bacteria

```conllu
# sent_id = question:biology:364-the-body-s-rough-side-burps-farts-snot-sneezes-hiccups-and-poo:e1:o4:1
# text = The fermentation of dietary fibre by bacteria
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	fermentation	fermentation	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	dietary	dietary	ADJ	JJ	Degree=Pos	5	amod	_	_
5	fibre	fibre	NOUN	NN	Number=Sing	2	nmod	_	_
6	by	by	ADP	IN	_	7	case	_	_
7	bacteria	bacterium	NOUN	NNS	Number=Plur	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ferment** |  | dietary fibre |  |  |  |  |  | nom fermentation «state intransitive»: of=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.

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