---
title: 2 emus and 3 cassowaries walk past. How many legs? — The Australian walkabout: kangaroos, e… · tree and pragmatics
description: 2 emus and 3 cassowaries walk past. How many legs? Test 8 of lesson 103 «The Australian walkabout: kangaroos, emus, wallabies and dingoes» of the biology 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 8 · The Australian walkabout: kangaroos, emus, wallabies and d…

<!-- .ven lang=en -->
2 emus and 3 cassowaries walk past. How many legs?

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**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** 2 emus · **What happens:** walk

<!-- .vabout -->
This is test 8 of lesson 103 «The Australian walkabout: kangaroos, emus, wallabies and dingoes» of the biology 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/biology/103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes/#t8).

## The question {#question}

<!-- .note -->
*Sentence 1:* 2 emus and 3 cassowaries walk past.

```conllu
# sent_id = question:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes:t8:1
# text = 2 emus and 3 cassowaries walk past.
1	2	2	NUM	CD	NumForm=Digit|NumType=Card	2	nummod	_	_
2	emus	emu	NOUN	NNS	Number=Plur	6	nsubj	_	_
3	and	and	CCONJ	CC	_	5	cc	_	_
4	3	3	NUM	CD	NumForm=Digit|NumType=Card	5	nummod	_	_
5	cassowaries	cassowary	NOUN	NNS	Number=Plur	2	conj	_	_
6	walk	walk	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
7	past	past	ADV	RB	_	6	advmod	_	SpaceAfter=No
8	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **walk** | present | 2 emus and 3 cassowaries |  |  |  |  | past *property* | vn run-51.3.2-2-1 «NP V»: agent=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 legs?

```conllu
# sent_id = question:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes:t8:2
# text = How many legs?
1	How	how	ADV	WRB	PronType=Int	2	advmod	_	_
2	many	many	ADJ	JJ	Degree=Pos	3	amod	_	_
3	legs	leg	NOUN	NNS	Number=Plur	0	root	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	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 -->
5

```conllu
# sent_id = question:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes:t8:o1:1
# text = 5
1	5	5	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
20

```conllu
# sent_id = question:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes:t8:o2:1
# text = 20
1	20	20	NUM	CD	NumForm=Digit|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 -->
10

```conllu
# sent_id = question:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes:t8:o3:1
# text = 10
1	10	10	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 -->
12

```conllu
# sent_id = question:biology:103-the-australian-walkabout-kangaroos-emus-wallabies-dingoes:t8:o4:1
# text = 12
1	12	12	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.

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