---
title: Ascertain the aggregate number of hearts possessed by three octopuses. — The aquarium: jellyfish, octopuses, se… · tree and pragmatics
description: Ascertain the aggregate number of hearts possessed by three octopuses. Exam question 2 of lesson 92 «The aquarium: jellyfish, octopuses, sea stars and the deep sea» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choi
---

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# Exam question 2 · The aquarium: jellyfish, octopuses, sea stars and the deep…

<!-- .ven lang=en -->
Ascertain the aggregate number of hearts possessed by three octopuses.

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**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you · **What happens:** ascertain, possess · **To what, where:** aggregate number, hearts

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This is exam question 2 of lesson 92 «The aquarium: jellyfish, octopuses, sea stars and the deep sea» of the biology 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/biology/92-the-aquarium-jellyfish-octopuses-sea-stars-and-the-deep-sea/#e2).

## The question {#question}

```conllu
# sent_id = question:biology:92-the-aquarium-jellyfish-octopuses-sea-stars-and-the-deep-sea:e2:1
# text = Ascertain the aggregate number of hearts possessed by three octopuses.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	aggregate	aggregate	NOUN	NN	Number=Sing	4	compound	_	_
4	number	number	NOUN	NN	Number=Sing	1	obj	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	hearts	heart	NOUN	NNS	Number=Plur	4	nmod	_	_
7	possessed	possess	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
8	by	by	ADP	IN	_	10	case	_	_
9	three	three	NUM	CD	NumForm=Word|NumType=Card	10	nummod	_	_
10	octopuses	octopus	NOUN	NNS	Number=Plur	7	obl	_	SpaceAfter=No
11	.	.	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 aggregate number of hearts |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent number=Topic |
| 2 | **possess** | participle |  | hearts *not said here* |  |  |  | by three octopuses | vn own-100.1 «NP V NP»: agent=Pivot |

<!-- .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 -->
Twenty-four

```conllu
# sent_id = question:biology:92-the-aquarium-jellyfish-octopuses-sea-stars-and-the-deep-sea:e2:o1:1
# text = Twenty-four
1	Twenty	twenty	NUM	CD	NumForm=Word|NumType=Card	0	root	_	SpaceAfter=No
2	-	-	PUNCT	:	_	3	punct	_	SpaceAfter=No
3	four	four	NUM	CD	NumForm=Word|NumType=Card	1	conj	_	_
```

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

### Option 2 {#o2}

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

```conllu
# sent_id = question:biology:92-the-aquarium-jellyfish-octopuses-sea-stars-and-the-deep-sea:e2:o2:1
# text = Six
1	Six	six	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
```

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

### Option 3 {#o3}

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

```conllu
# sent_id = question:biology:92-the-aquarium-jellyfish-octopuses-sea-stars-and-the-deep-sea:e2:o3:1
# text = Three
1	Three	three	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
```

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

### Option 4 · ✓ the right answer {#o4}

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

```conllu
# sent_id = question:biology:92-the-aquarium-jellyfish-octopuses-sea-stars-and-the-deep-sea:e2:o4:1
# text = Nine
1	Nine	nine	NUM	CD	NumForm=Word|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.

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- ← previous: [The aquarium: jellyfish, octopuses, se…, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/92-the-aquarium-jellyfish-octopuses-sea-stars-and-the-deep-sea/e1/)
- next →: [The aquarium: jellyfish, octopuses, se…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/92-the-aquarium-jellyfish-octopuses-sea-stars-and-the-deep-sea/e3/)
- ↑ back to [The aquarium: jellyfish, octopuses, sea stars and the deep sea](https://md.mova.elamur.ai/free/en/corpora/questions/biology/92-the-aquarium-jellyfish-octopuses-sea-stars-and-the-deep-sea/)

