---
title: A poster shows five animals, one platypus and four echidnas. What do… — The platypus and the echidna: mammals… · tree and pragmatics
description: A poster shows five animals, one platypus and four echidnas. What do all five share? Test 4 of lesson 43 «The platypus and the echidna: mammals that lay eggs» 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
---

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# Test 4 · The platypus and the echidna: mammals that lay eggs

<!-- .ven lang=en -->
A poster shows five animals, one platypus and four echidnas. What do all five share?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** poster, five share · **What happens:** show, be · **To what, where:** five animals

<!-- .vabout -->
This is test 4 of lesson 43 «The platypus and the echidna: mammals that lay eggs» 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/43-platypus-and-echidna/#t4).

## The question {#question}

<!-- .note -->
*Sentence 1:* A poster shows five animals, one platypus and four echidnas.

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t4:1
# text = A poster shows five animals, one platypus and four echidnas.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	poster	poster	NOUN	NN	Number=Sing	3	nsubj	_	_
3	shows	show	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	five	five	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
5	animals	animal	NOUN	NNS	Number=Plur	3	obj	_	SpaceAfter=No
6	,	,	PUNCT	,	_	8	punct	_	_
7	one	one	NUM	CD	NumForm=Word|NumType=Card	8	nummod	_	_
8	platypus	platypus	NOUN	NN	Number=Sing	5	conj	_	_
9	and	and	CCONJ	CC	_	11	cc	_	_
10	four	four	NUM	CD	NumForm=Word|NumType=Card	11	nummod	_	_
11	echidnas	echidna	NOUN	NNS	Number=Plur	5	conj	_	SpaceAfter=No
12	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **show** | present | a poster |  | five animals and one platypus and four echidnas |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent animal=Recipient |

<!-- .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:* What do all five share?

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t4:2
# text = What do all five share?
1	What	what	PRON	WP	PronType=Int	0	root	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	1	cop	_	_
3	all	all	DET	DT	PronType=Tot	5	det	_	_
4	five	five	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
5	share	share	NOUN	NN	Number=Sing	1	nsubj	_	SpaceAfter=No
6	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | all five share |  |  |  |  |  | tree rules |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
They all have sharp teeth

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t4:o1:1
# text = They all have sharp teeth
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	all	all	DET	DT	PronType=Tot	3	advmod	_	_
3	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	sharp	sharp	ADJ	JJ	Degree=Pos	5	amod	_	_
5	teeth	tooth	NOUN	NNS	Number=Plur	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | They | sharp teeth |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent tooth=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
They all live in South America

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t4:o2:1
# text = They all live in South America
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	all	all	DET	DT	PronType=Tot	3	advmod	_	_
3	live	live	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	South	South	PROPN	NNP	Number=Sing	6	compound	_	_
6	America	America	PROPN	NNP	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** | present | They |  |  | South America |  |  | vn lodge-46 «NP V PP.location»: agent=Theme in america=Location |

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

<!-- .ven lang=en -->
They are the only egg-laying mammals alive today

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t4:o3:1
# text = They are the only egg-laying mammals alive today
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	8	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
4	only	only	ADJ	JJ	Degree=Pos	8	amod	_	_
5	egg	egg	NOUN	NN	Number=Sing	7	compound	_	SpaceAfter=No
6	-	-	PUNCT	HYPH	_	5	punct	_	SpaceAfter=No
7	laying	lay	VERB	VBG	VerbForm=Ger	8	amod	_	_
8	mammals	mammal	NOUN	NNS	Number=Plur	0	root	_	_
9	alive	alive	ADJ	JJ	Degree=Pos	8	amod	_	_
10	today	today	NOUN	NN	Number=Sing	8	nmod:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lay** | gerund |  |  |  |  |  |  | vn create-26.4 «NP V NP»: agent=Agent |
| 2 | **is a** | present | They | the only laying mammals |  |  | today |  | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
They are all marsupials that carry babies in pouches

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t4:o4:1
# text = They are all marsupials that carry babies in pouches
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	4	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	all	all	ADV	RB	_	4	advmod	_	_
4	marsupials	marsupial	NOUN	NNS	Number=Plur	0	root	_	_
5	that	that	PRON	WDT	PronType=Rel	6	nsubj	_	_
6	carry	carry	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	acl:relcl	_	_
7	babies	baby	NOUN	NNS	Number=Plur	6	obj	_	_
8	in	in	ADP	IN	_	9	case	_	_
9	pouches	pouch	NOUN	NNS	Number=Plur	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | They | marsupials |  |  |  | all *property* | tree rules |
| 2 | **carry** | present | marsupials | babies |  | pouches |  |  | vn fit-54.3 «NP V NP PP.location»: agent=Agent baby=Value in pouch=Location |

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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.

<!-- /div -->

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