---
title: A friend says the old mill wheel turned because a horse walked round… — Rivers, canals and boats: locks, weirs… · tree and pragmatics
description: A friend says the old mill wheel turned because a horse walked round and round it. What really turned a water-mill? Test 10 · ★★ 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 dep
---

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# Test 10 · ★★ · Rivers, canals and boats: locks, weirs, water-mills, barge…

<!-- .ven lang=en -->
A friend says the old mill wheel turned because a horse walked round and round it. What really turned a water-mill?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** friend, old mill wheel, horse · **What happens:** say, turn, walk, round · **To what, where:** horse, water mill · **Speech:** someone speaks here

<!-- .vabout -->
This is test 10 · ★★ 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. 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/#t10).

## The question {#question}

<!-- .note -->
*Sentence 1:* A friend says the old mill wheel turned because a horse walked round and round it.

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t10:1
# text = A friend says the old mill wheel turned because a horse walked round and round it.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	friend	friend	NOUN	NN	Number=Sing	3	nsubj	_	_
3	says	say	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
5	old	old	ADJ	JJ	Degree=Pos	7	amod	_	_
6	mill	mill	NOUN	NN	Number=Sing	7	compound	_	_
7	wheel	wheel	NOUN	NN	Number=Sing	8	nsubj	_	_
8	turned	turn	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	ccomp	_	_
9	because	because	SCONJ	IN	_	12	mark	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	horse	horse	NOUN	NN	Number=Sing	12	nsubj	_	_
12	walked	walk	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	8	ccomp	_	_
13	round	round	ADV	RB	_	12	advmod	_	_
14	and	and	CCONJ	CC	_	15	cc	_	_
15	round	round	VERB	VB	VerbForm=Inf	12	conj	_	_
16	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	15	obj	_	SpaceAfter=No
17	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **say** *speech: assert* | present | a friend |  |  |  |  |  | vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic |
| 2 | **turn** | past | the old mill wheel |  |  |  |  |  | tree rules |
| 3 | **walk** | past | a horse |  |  |  |  | round *property* | vn run-51.3.2-2-1 «NP V»: agent=Theme |
| 4 | **round** | infinitive | a horse *not said here* | horse |  |  |  |  | vn bend-45.2 «NP V NP.patient»: agent=Agent it=Patient |

<!-- .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.

<!-- .note -->
*Sentence 2:* What really turned a water-mill?

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t10:2
# text = What really turned a water-mill?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	really	really	ADV	RB	_	3	advmod	_	_
3	turned	turn	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
5	water	water	NOUN	NN	Number=Sing	7	compound	_	SpaceAfter=No
6	-	-	PUNCT	HYPH	_	5	punct	_	SpaceAfter=No
7	mill	mill	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
8	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | past |  | a water mill |  |  |  |  | vn roll-51.3.1 «NP V ADJ.result»: agent=Theme mill=Result |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
A steam engine under it

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t10:o1:1
# text = A steam engine under it
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	steam	steam	NOUN	NN	Number=Sing	3	compound	_	_
3	engine	engine	NOUN	NN	Number=Sing	0	root	_	_
4	under	under	ADP	IN	_	5	case	_	_
5	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nmod	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
A horse walking round it

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t10:o2:1
# text = A horse walking round it
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	horse	horse	NOUN	NN	Number=Sing	0	root	_	_
3	walking	walk	VERB	VBG	VerbForm=Ger	2	acl	_	_
4	round	round	ADP	IN	_	5	case	_	_
5	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **walk** | gerund | a horse *not said here* |  |  |  |  | round horse | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme round it=Trajectory |

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

<!-- .ven lang=en -->
Moving water pushing the wheel

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t10:o3:1
# text = Moving water pushing the wheel
1	Moving	move	VERB	VBG	VerbForm=Ger	2	amod	_	_
2	water	water	NOUN	NN	Number=Sing	3	nsubj	_	_
3	pushing	push	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	wheel	wheel	NOUN	NN	Number=Sing	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **move** | gerund |  |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 2 | **push** | gerund | Moving water | the wheel |  |  |  |  | vn carry-11.4-1-1 «NP V NP»: agent=Agent wheel=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Wind in its four sails

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t10:o4:1
# text = Wind in its four sails
1	Wind	wind	NOUN	NN	Number=Sing	0	root	_	_
2	in	in	ADP	IN	_	5	case	_	_
3	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
4	four	four	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
5	sails	sail	NOUN	NNS	Number=Plur	1	nmod	_	_
```

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

<!-- div src -->

**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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