---
title: In a game, a platypus hatches from an egg and its mother feeds it wo… — The platypus and the echidna: mammals… · tree and pragmatics
description: In a game, a platypus hatches from an egg and its mother feeds it worms. What is wrong? Test 9 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 
---

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# Test 9 · The platypus and the echidna: mammals that lay eggs

<!-- .ven lang=en -->
In a game, a platypus hatches from an egg and its mother feeds it worms. What is wrong?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** platypus, mother · **What happens:** hatch, feed, be · **To what, where:** game, platypus

<!-- .vabout -->
This is test 9 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/#t9).

## The question {#question}

<!-- .note -->
*Sentence 1:* In a game, a platypus hatches from an egg and its mother feeds it worms.

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t9:1
# text = In a game, a platypus hatches from an egg and its mother feeds it worms.
1	In	in	ADP	IN	_	3	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	game	game	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
4	,	,	PUNCT	,	_	3	punct	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	platypus	platypus	NOUN	NN	Number=Sing	7	nsubj	_	_
7	hatches	hatch	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	from	from	ADP	IN	_	10	case	_	_
9	an	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	egg	egg	NOUN	NN	Number=Sing	7	obl	_	_
11	and	and	CCONJ	CC	_	14	cc	_	_
12	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	mother	mother	NOUN	NN	Number=Sing	14	nsubj	_	_
14	feeds	feed	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	conj	_	_
15	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	obj	_	_
16	worms	worm	NOUN	NNS	Number=Plur	14	obj	_	SpaceAfter=No
17	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hatch** | present | a platypus |  |  | a game |  | from a egg | vn grow-26.2.1 «NP.product V PP.patient»: agent=Product from egg=Patient |
| 2 | **feed** | present | platypus's mother | platypus |  |  |  |  | vn feeding-39.7 «NP V NP-Dative NP»: agent=Agent it=Recipient worm=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:* What is wrong?

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t9:2
# text = What is wrong?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	wrong	wrong	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

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

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Nothing is wrong

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t9:o1:1
# text = Nothing is wrong
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	wrong	wrong	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Nothing |  |  |  |  | wrong *property* | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Platypuses do not hatch from eggs

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t9:o2:1
# text = Platypuses do not hatch from eggs
1	Platypuses	platypus	NOUN	NNS	Number=Plur	4	nsubj	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	hatch	hatch	VERB	VB	VerbForm=Inf	0	root	_	_
5	from	from	ADP	IN	_	6	case	_	_
6	eggs	egg	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **hatch** | present · do-support | Platypuses |  |  |  |  | from eggs | vn grow-26.2.1 «NP.product V PP.patient»: agent=Product from egg=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
Platypus mothers feed their babies fish bones

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t9:o3:1
# text = Platypus mothers feed their babies fish bones
1	Platypus	platypus	NOUN	NN	Number=Sing	2	compound	_	_
2	mothers	mother	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	feed	feed	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	babies	baby	NOUN	NNS	Number=Plur	3	obj	_	_
6	fish	fish	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
7	bones	bone	NOUN	NNS	Number=Plur	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **feed** | present | Platypus mothers | mothers's babies |  |  |  |  | vn feeding-39.7 «NP V NP»: agent=Agent baby=Recipient |
| 2 | **fish** | present | Platypus mothers *not said here* | bones |  |  |  |  | vn hunt-35.1 «NP V NP»: agent=Agent bone=Theme |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Platypus babies drink their mother's milk

```conllu
# sent_id = question:biology:43-platypus-and-echidna:t9:o4:1
# text = Platypus babies drink their mother's milk
1	Platypus	platypus	NOUN	NN	Number=Sing	2	compound	_	_
2	babies	baby	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	drink	drink	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	mother	mother	NOUN	NN	Number=Sing	7	nmod:poss	_	SpaceAfter=No
6	's	's	PART	POS	_	5	case	_	_
7	milk	milk	NOUN	NN	Number=Sing	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **drink** | present | Platypus babies | babies's mother's milk |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent milk=Patient |

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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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