---
title: By what agency was the boar Trwyth at last expelled from the realm? — Mabinogion, Culhwch and Olwen: Kai's t… · tree and pragmatics
description: By what agency was the boar Trwyth at last expelled from the realm? Exam question 2 of lesson 1340 «Mabinogion, Culhwch and Olwen: Kai's trick, Mabon freed, and the boar Trwyth chased» of the books course of Mova's primary school, with the dependency tree and pragmatics of the question and of each o
---

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# Exam question 2 · Mabinogion, Culhwch and Olwen: Kai's trick, Mabon freed, a…

<!-- .ven lang=en -->
By what agency was the boar Trwyth at last expelled from the realm?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** agency · **What happens:** be, expel · **To what, where:** boar, last, realm

<!-- .vabout -->
This is exam question 2 of lesson 1340 «Mabinogion, Culhwch and Olwen: Kai's trick, Mabon freed, and the boar Trwyth chased» of the books 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/books/1340-pg3454-part65/#e2).

## The question {#question}

```conllu
# sent_id = question:books:1340-pg3454-part65:e2:1
# text = By what agency was the boar Trwyth at last expelled from the realm?
1	By	by	ADP	IN	_	3	case	_	_
2	what	what	PRON	WP	PronType=Int	3	nsubj	_	_
3	agency	agency	NOUN	NN	Number=Sing	6	nsubj	_	_
4	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	cop	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	boar	boar	NOUN	NN	Number=Sing	0	root	_	_
7	Trwyth	Trwyth	PROPN	NNP	Number=Sing	6	appos	_	_
8	at	at	ADP	IN	_	9	case	_	_
9	last	last	ADJ	JJ	Degree=Pos	6	nmod	_	_
10	expelled	expel	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
11	from	from	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	realm	realm	NOUN	NN	Number=Sing	10	obl	_	SpaceAfter=No
14	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | past | agency | the boar |  | last |  |  | tree rules |
| 2 | **expel** | participle |  | the boar *not said here* |  | the realm |  |  | vn banish-10.2 «NP V NP PP.source»: agent=Agent from realm=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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Driven into the sea by Arthur

```conllu
# sent_id = question:books:1340-pg3454-part65:e2:o1:1
# text = Driven into the sea by Arthur
1	Driven	drive	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
2	into	into	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	sea	sea	NOUN	NN	Number=Sing	1	obl	_	_
5	by	by	ADP	IN	_	6	case	_	_
6	Arthur	Arthur	PROPN	NNP	Number=Sing	1	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **drive** | participle |  |  |  | the sea |  | by Arthur | vn nonvehicle-51.4.2-1 «NP V PP.location»: agent=Agent into sea=Trajectory |

### Option 2 {#o2}

<!-- .ven lang=en -->
Hunted down by Goreu and his men

```conllu
# sent_id = question:books:1340-pg3454-part65:e2:o2:1
# text = Hunted down by Goreu and his men
1	Hunted	hunt	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
2	down	down	ADP	RP	_	1	compound:prt	_	_
3	by	by	ADP	IN	_	4	case	_	_
4	Goreu	Goreu	PROPN	NNP	Number=Sing	1	obl	_	_
5	and	and	CCONJ	CC	_	7	cc	_	_
6	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	men	man	NOUN	NNS	Number=Plur	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hunt down** | participle |  |  |  |  |  | by Goreu and his men | vn hunt-35.1 «NP V PP.theme PP.location»: agent=Agent by goreu=Location |

### Option 3 {#o3}

<!-- .ven lang=en -->
Chased from the realm by Arthur's full host until it plunged into the western waves

<!-- fold The tree, 16 words -->
```conllu
# sent_id = question:books:1340-pg3454-part65:e2:o3:1
# text = Chased from the realm by Arthur's full host until it plunged into the western waves
1	Chased	chase	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
2	from	from	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	realm	realm	NOUN	NN	Number=Sing	1	obl	_	_
5	by	by	ADP	IN	_	9	case	_	_
6	Arthur	Arthur	PROPN	NNP	Number=Sing	9	nmod:poss	_	SpaceAfter=No
7	's	's	PART	POS	_	6	case	_	_
8	full	full	ADJ	JJ	Degree=Pos	9	amod	_	_
9	host	host	NOUN	NN	Number=Sing	1	obl	_	_
10	until	until	SCONJ	IN	_	12	mark	_	_
11	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	12	nsubj	_	_
12	plunged	plunge	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	1	advcl	_	_
13	into	into	ADP	IN	_	16	case	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
15	western	western	ADJ	JJ	Degree=Pos	16	amod	_	_
16	waves	wave	NOUN	NNS	Number=Plur	12	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **chase** | participle |  |  |  | the realm |  | by Arthur's full host | vn chase-51.6 «NP V NP PP.location»: agent=Agent from realm=Trajectory |
| 2 | **plunge** | past | host |  |  | the western waves |  |  | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme into wave=Initial\_Location |

### Option 4 {#o4}

<!-- .ven lang=en -->
Driven by Arthur and his hounds across the river and into the sea

```conllu
# sent_id = question:books:1340-pg3454-part65:e2:o4:1
# text = Driven by Arthur and his hounds across the river and into the sea
1	Driven	drive	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
2	by	by	ADP	IN	_	3	case	_	_
3	Arthur	Arthur	PROPN	NNP	Number=Sing	1	obl	_	_
4	and	and	CCONJ	CC	_	6	cc	_	_
5	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	hounds	hound	NOUN	NNS	Number=Plur	3	conj	_	_
7	across	across	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	river	river	NOUN	NN	Number=Sing	1	obl	_	_
10	and	and	CCONJ	CC	_	13	cc	_	_
11	into	into	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	sea	sea	NOUN	NN	Number=Sing	9	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **drive** | participle |  |  |  | the river and the sea |  | by Arthur and his hounds | vn nonvehicle-51.4.2-1 «NP V PP.location»: agent=Agent across river=Trajectory |

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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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