---
title: Ascertain the reason for which bathing in the vicinity of a weir is… — Rivers, canals and boats: locks, weirs… · tree and pragmatics
description: Ascertain the reason for which bathing in the vicinity of a weir is to be avoided. Exam question 3 of lesson 41 «Rivers, canals and boats: locks, weirs, water-mills, barges and how not to tip a rowing boat» of the technology course of Mova's primary school, with the dependency tree and pragmatics of
---

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# Exam question 3 · Rivers, canals and boats: locks, weirs, water-mills, barge…

<!-- .ven lang=en -->
Ascertain the reason for which bathing in the vicinity of a weir is to be avoided.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you · **What happens:** ascertain, avoid · **To what, where:** reason, bathing

<!-- .vabout -->
This is exam question 3 of lesson 41 «Rivers, canals and boats: locks, weirs, water-mills, barges and how not to tip a rowing boat» of the technology 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/technology/41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat/#e3).

## The question {#question}

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:e3:1
# text = Ascertain the reason for which bathing in the vicinity of a weir is to be avoided.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
4	for	for	ADP	IN	_	5	case	_	_
5	which	which	DET	WDT	PronType=Int	6	det	_	_
6	bathing	bathing	NOUN	NN	Number=Sing	16	nsubj:pass	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	vicinity	vicinity	NOUN	NN	Number=Sing	6	nmod	_	_
10	of	of	ADP	IN	_	12	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	weir	weir	NOUN	NN	Number=Sing	9	nmod	_	_
13	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	aux:pass	_	_
14	to	to	PART	TO	_	16	mark	_	_
15	be	be	AUX	VB	VerbForm=Inf	16	aux:pass	_	_
16	avoided	avoid	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl:relcl	_	SpaceAfter=No
17	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the reason |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent reason=Topic |
| 2 | **avoid** | present · passive | you *not said here* | which bathing in the vicinity of a weir |  |  |  |  | vn avoid-52 «NP V NP.location»: subject=Location |

<!-- .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 -->
The circulating water below the weir may hold a swimmer beneath the surface

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:e3:o1:1
# text = The circulating water below the weir may hold a swimmer beneath the surface
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	circulating	circulate	VERB	VBG	VerbForm=Ger	3	amod	_	_
3	water	water	NOUN	NN	Number=Sing	8	nsubj	_	_
4	below	below	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	weir	weir	NOUN	NN	Number=Sing	3	nmod	_	_
7	may	may	AUX	MD	VerbForm=Fin	8	aux	_	_
8	hold	hold	VERB	VB	VerbForm=Inf	0	root	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	swimmer	swimmer	NOUN	NN	Number=Sing	8	obj	_	_
11	beneath	beneath	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	surface	surface	NOUN	NN	Number=Sing	8	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **circulate** | gerund |  |  |  |  |  |  | vn modes\_of\_being\_with\_motion-47.3 «NP V»: agent=Theme |
| 2 | **hold** | may | the circulating water below the weir | a swimmer |  | the surface |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent swimmer=Theme beneath surface=Location |

### Option 2 {#o2}

<!-- .ven lang=en -->
The water above the weir is invariably polluted by the mill

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:e3:o2:1
# text = The water above the weir is invariably polluted by the mill
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	water	water	NOUN	NN	Number=Sing	8	nsubj:pass	_	_
3	above	above	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	weir	weir	NOUN	NN	Number=Sing	2	nmod	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	aux:pass	_	_
7	invariably	invariably	ADV	RB	_	8	advmod	_	_
8	polluted	pollute	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
9	by	by	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	mill	mill	NOUN	NN	Number=Sing	8	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pollute** | present · passive | the mill | the water above the weir |  |  |  | invariably *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Bathing is permitted only on Sundays

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:e3:o3:1
# text = Bathing is permitted only on Sundays
1	Bathing	bathing	NOUN	NN	Number=Sing	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	permitted	permit	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	only	only	ADV	RB	_	6	advmod	_	_
5	on	on	ADP	IN	_	6	case	_	_
6	Sundays	Sunday	PROPN	NNPS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **permit** | present · passive |  | Bathing |  |  | sunday |  | vn admit-64.3-1 «NP V NP»: subject=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Weirs are inhabited by dangerous eels which bite any bather they encounter

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:e3:o4:1
# text = Weirs are inhabited by dangerous eels which bite any bather they encounter
1	Weirs	weir	NOUN	NNS	Number=Plur	3	nsubj:pass	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	inhabited	inhabit	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	by	by	ADP	IN	_	6	case	_	_
5	dangerous	dangerous	ADJ	JJ	Degree=Pos	6	amod	_	_
6	eels	eel	NOUN	NNS	Number=Plur	3	obl	_	_
7	which	which	PRON	WDT	PronType=Rel	8	nsubj	_	_
8	bite	bite	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
9	any	any	DET	DT	PronType=Ind	10	det	_	_
10	bather	bather	NOUN	NN	Number=Sing	8	obj	_	_
11	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	12	nsubj	_	_
12	encounter	encounter	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	acl:relcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **inhabit** | present · passive | dangerous eels | Weirs |  |  |  |  | tree rules |
| 2 | **bite** | present | dangerous eels | any bather |  |  |  |  | vn swat-18.2 «NP V NP»: agent=Agent bather=Patient |
| 3 | **encounter** | present | Weirs *= weir* | any bather *not said here* |  |  |  |  | vn encounter-30.5 «NP V NP»: agent=Experiencer bather=Stimulus |

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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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- ← previous: [Rivers, canals and boats: locks, weirs…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/technology/41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat/e2/)
- next →: [Rivers, canals and boats: locks, weirs…, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/technology/41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat/e4/)
- ↑ back to [Rivers, canals and boats: locks, weirs, water-mills, barges and how not to tip a rowing boat](https://md.mova.elamur.ai/free/en/corpora/questions/technology/41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat/)