---
title: ★★★ A lock is 20 metres long and 2 metres wide, and the water rises… — Rivers, canals and boats: locks, weirs… · tree and pragmatics
description: ★★★ A lock is 20 metres long and 2 metres wide, and the water rises 3 metres to lift a boat. How many cubic metres of water flow in? Test 11 · ★★ 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 sch
---

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# Test 11 · ★★ · Rivers, canals and boats: locks, weirs, water-mills, barge…

<!-- .ven lang=en -->
★★★ A lock is 20 metres long and 2 metres wide, and the water rises 3 metres to lift a boat. How many cubic metres of water flow in?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** ★, lock, water · **What happens:** ★, be, rise, lift · **To what, where:** 2 metres, 3 metres, boat

<!-- .vabout -->
This is test 11 · ★★ 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/#t11).

## The question {#question}

<!-- .note -->
*Sentence 1:* ★★★ A lock is 20 metres long and 2 metres wide, and the water rises 3 metres to lift a boat.

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t11:1
# text = ★★★ A lock is 20 metres long and 2 metres wide, and the water rises 3 metres to lift a boat.
1	★	★	PROPN	NNP	Number=Sing	3	nsubj	_	SpaceAfter=No
2	★	★	X	FW	Foreign=Yes	1	dep	_	SpaceAfter=No
3	★	★	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	A	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	lock	lock	NOUN	NN	Number=Sing	9	nsubj	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
7	20	20	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	_	_
8	metres	metre	NOUN	NNS	Number=Plur	9	obl:unmarked	_	_
9	long	long	ADJ	JJ	Degree=Pos	3	ccomp	_	_
10	and	and	CCONJ	CC	_	13	cc	_	_
11	2	2	NUM	CD	NumForm=Digit|NumType=Card	12	nummod	_	_
12	metres	metre	NOUN	NNS	Number=Plur	13	obl:unmarked	_	_
13	wide	wide	ADJ	JJ	Degree=Pos	9	conj	_	SpaceAfter=No
14	,	,	PUNCT	,	_	18	punct	_	_
15	and	and	CCONJ	CC	_	18	cc	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
17	water	water	NOUN	NN	Number=Sing	18	nsubj	_	_
18	rises	rise	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
19	3	3	NUM	CD	NumForm=Digit|NumType=Card	20	nummod	_	_
20	metres	metre	NOUN	NNS	Number=Plur	18	obj	_	_
21	to	to	PART	TO	_	22	mark	_	_
22	lift	lift	VERB	VB	VerbForm=Inf	18	advcl	_	_
23	a	a	DET	DT	Definite=Ind|PronType=Art	24	det	_	_
24	boat	boat	NOUN	NN	Number=Sing	22	obj	_	SpaceAfter=No
25	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **★** | present | ★ |  |  |  |  |  | tree rules |
| 2 | **is** | present | a lock |  |  |  |  | 20 metres *obl:unmarked*; long *property* | tree rules |
| 3 | **be** |  | a lock *not said here* | 2 metres |  |  |  |  | tree rules |
| 4 | **rise** | present | the water | 3 metres |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location metre=Theme |
| 5 | **lift** | to-infinitive | the water *not said here* | a boat |  |  |  |  | vn put\_direction-9.4 «NP V NP»: agent=Agent boat=Theme |

<!-- .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:* How many cubic metres of water flow in?

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t11:2
# text = How many cubic metres of water flow in?
1	How	how	ADV	WRB	PronType=Int	2	advmod	_	_
2	many	many	ADJ	JJ	Degree=Pos	4	amod	_	_
3	cubic	cubic	ADJ	JJ	Degree=Pos	4	amod	_	_
4	metres	metre	NOUN	NNS	Number=Plur	0	root	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	water	water	NOUN	NN	Number=Sing	7	compound	_	_
7	flow	flow	NOUN	NN	Number=Sing	4	nmod	_	_
8	in	in	ADP	IN	_	7	case	_	SpaceAfter=No
9	?	?	PUNCT	.	_	4	punct	_	_
```

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

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
25

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t11:o1:1
# text = 25
1	25	25	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

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

<!-- .ven lang=en -->
120

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t11:o2:1
# text = 120
1	120	120	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
60

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t11:o3:1
# text = 60
1	60	60	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
1200

```conllu
# sent_id = question:technology:41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat:t11:o4:1
# text = 1200
1	1200	1200	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

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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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- next →: [Rivers, canals and boats: locks, weirs…, exam 1](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/e1/)
- ↑ 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/)

