---
title: Ascertain the approximate number of Africans forcibly transported ac… — Slavery and its abolition · tree and pragmatics
description: Ascertain the approximate number of Africans forcibly transported across the Atlantic between the sixteenth and nineteenth centuries. Exam question 1 of lesson 31 «Slavery and its abolition» of the history course of Mova's primary school, with the dependency tree and pragmatics of the question and o
---

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# Exam question 1 · Slavery and its abolition

<!-- .ven lang=en -->
Ascertain the approximate number of Africans forcibly transported across the Atlantic between the sixteenth and nineteenth centuries.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you · **What happens:** ascertain, transport · **To what, where:** approximate number, Atlantic

<!-- .vabout -->
This is exam question 1 of lesson 31 «Slavery and its abolition» of the history 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/history/31-slavery-and-its-abolition/#e1).

## The question {#question}

```conllu
# sent_id = question:history:31-slavery-and-its-abolition:e1:1
# text = Ascertain the approximate number of Africans forcibly transported across the Atlantic between the sixteenth and nineteenth centuries.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	approximate	approximate	ADJ	JJ	Degree=Pos	4	amod	_	_
4	number	number	NOUN	NN	Number=Sing	1	obj	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	Africans	African	PROPN	NNPS	Number=Plur	8	obl	_	_
7	forcibly	forcibly	ADV	RB	_	8	advmod	_	_
8	transported	transport	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl:relcl	_	_
9	across	across	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	Atlantic	Atlantic	PROPN	NNP	Number=Sing	8	obl	_	_
12	between	between	ADP	IN	_	17	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
14	sixteenth	sixteenth	ADJ	JJ	Degree=Pos	17	amod	_	_
15	and	and	CCONJ	CC	_	16	cc	_	_
16	nineteenth	nineteenth	ADJ	JJ	Degree=Pos	14	conj	_	_
17	centuries	century	NOUN	NNS	Number=Plur	8	obl	_	SpaceAfter=No
18	.	.	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 approximate number |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent number=Topic |
| 2 | **transport** | participle |  | the approximate number *not said here* |  | the Atlantic | century | of Africans; forcibly *property* | vn amuse-31.1 «NP V ADV-Middle»: agent=Experiencer |

<!-- .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 -->
One billion

```conllu
# sent_id = question:history:31-slavery-and-its-abolition:e1:o1:1
# text = One billion
1	One	one	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
2	billion	billion	NUM	CD	NumForm=Word|NumType=Card	1	nmod	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
Twelve thousand

```conllu
# sent_id = question:history:31-slavery-and-its-abolition:e1:o2:1
# text = Twelve thousand
1	Twelve	twelve	NUM	CD	NumForm=Word|NumType=Card	2	compound	_	_
2	thousand	thousand	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
```

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

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

<!-- .ven lang=en -->
Twelve million

```conllu
# sent_id = question:history:31-slavery-and-its-abolition:e1:o3:1
# text = Twelve million
1	Twelve	twelve	NUM	CD	NumForm=Word|NumType=Card	2	compound	_	_
2	million	million	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
One hundred thousand

```conllu
# sent_id = question:history:31-slavery-and-its-abolition:e1:o4:1
# text = One hundred thousand
1	One	one	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
2	hundred	hundred	NUM	CD	NumForm=Word|NumType=Card	3	compound	_	_
3	thousand	thousand	NUM	CD	NumForm=Word|NumType=Card	1	nmod	_	_
```

<!-- .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.

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