---
title: Why would a canal linking the north and south be so useful in China? — China: the Song and the Mongols · tree and pragmatics
description: Why would a canal linking the north and south be so useful in China? Test 11 · ★★ of lesson 55 «China: the Song and the Mongols» of the history 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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# Test 11 · ★★ · China: the Song and the Mongols

<!-- .ven lang=en -->
Why would a canal linking the north and south be so useful in China?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** canal · **What happens:** link, be · **To what, where:** north, China

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This is test 11 · ★★ of lesson 55 «China: the Song and the Mongols» of the history 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/history/55-china-the-song-and-the-mongols/#t11).

## The question {#question}

```conllu
# sent_id = question:history:55-china-the-song-and-the-mongols:t11:1
# text = Why would a canal linking the north and south be so useful in China?
1	Why	why	ADV	WRB	PronType=Int	5	advmod	_	_
2	would	would	AUX	MD	VerbForm=Fin	5	aux	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	canal	canal	NOUN	NN	Number=Sing	5	nsubj	_	_
5	linking	link	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	north	north	NOUN	NN	Number=Sing	5	obj	_	_
8	and	and	CCONJ	CC	_	12	cc	_	_
9	south	south	ADV	RB	_	12	advmod	_	_
10	be	be	AUX	VB	VerbForm=Inf	12	cop	_	_
11	so	so	ADV	RB	_	12	advmod	_	_
12	useful	useful	ADJ	JJ	Degree=Pos	5	conj	_	_
13	in	in	ADP	IN	_	14	case	_	_
14	China	China	PROPN	NNP	Number=Sing	12	obl	_	SpaceAfter=No
15	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **link** | would | a canal | the north |  |  |  |  | vn mix-22.1-2-1 «NP V NP»: agent=Agent north=Patient |
| 2 | **is** | infinitive | a canal *not said here* |  |  | China |  | south, useful *property* | tree rules |

<!-- .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 -->
It keeps out enemies

```conllu
# sent_id = question:history:55-china-the-song-and-the-mongols:t11:o1:1
# text = It keeps out enemies
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	out	out	ADP	RP	_	2	compound:prt	_	_
4	enemies	enemy	NOUN	NNS	Number=Plur	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep out** | present | It | enemies |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
It is only for fishing

```conllu
# sent_id = question:history:55-china-the-song-and-the-mongols:t11:o2:1
# text = It is only for fishing
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	only	only	ADV	RB	_	5	advmod	_	_
4	for	for	ADP	IN	_	5	case	_	_
5	fishing	fishing	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | It |  |  |  |  | for fishing | tree rules |

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

<!-- .ven lang=en -->
It moves grain and goods along the country

```conllu
# sent_id = question:history:55-china-the-song-and-the-mongols:t11:o3:1
# text = It moves grain and goods along the country
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	moves	move	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	grain	grain	NOUN	NN	Number=Sing	2	obj	_	_
4	and	and	CCONJ	CC	_	5	cc	_	_
5	goods	goods	NOUN	NNS	Number=Ptan	3	conj	_	_
6	along	along	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	country	country	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **move** | present | It | grain and goods |  | the country |  |  | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent grain=Theme along country=Trajectory |

### Option 4 {#o4}

<!-- .ven lang=en -->
It makes rain

```conllu
# sent_id = question:history:55-china-the-song-and-the-mongols:t11:o4:1
# text = It makes rain
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	rain	rain	NOUN	NN	Number=Sing	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | It | rain |  |  |  |  | vn build-26.1-1 «NP.material V NP»: agent=Material rain=Product |

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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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