---
title: A police officer finds a fingerprint on a tree in an Australian fore… — Koalas, wombats, Tasmanian devils and… · tree and pragmatics
description: A police officer finds a fingerprint on a tree in an Australian forest. Why might it be a puzzle? Test 3 · ★★ of lesson 104 «Koalas, wombats, Tasmanian devils and the platypus» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option;
---

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# Test 3 · ★★ · Koalas, wombats, Tasmanian devils and the platypus

<!-- .ven lang=en -->
A police officer finds a fingerprint on a tree in an Australian forest. Why might it be a puzzle?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 1 · wrong ✗ · **Who acts:** police officer, officer · **What happens:** find, be · **To what, where:** fingerprint, tree, puzzle

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This is test 3 · ★★ of lesson 104 «Koalas, wombats, Tasmanian devils and the platypus» 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/104-koalas-wombats-tasmanian-devils-and-the-platypus/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* A police officer finds a fingerprint on a tree in an Australian forest.

```conllu
# sent_id = question:biology:104-koalas-wombats-tasmanian-devils-and-the-platypus:t3:1
# text = A police officer finds a fingerprint on a tree in an Australian forest.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	police	police	NOUN	NN	Number=Sing	3	compound	_	_
3	officer	officer	NOUN	NN	Number=Sing	4	nsubj	_	_
4	finds	find	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	fingerprint	fingerprint	NOUN	NN	Number=Sing	4	obj	_	_
7	on	on	ADP	IN	_	9	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	tree	tree	NOUN	NN	Number=Sing	4	obl	_	_
10	in	in	ADP	IN	_	13	case	_	_
11	an	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
12	Australian	Australian	ADJ	JJ	Degree=Pos	13	amod	_	_
13	forest	forest	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
14	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | present | a police officer | a fingerprint |  | a tree |  | in a Australian forest | vn discover-84 «NP V NP»: agent=Agent fingerprint=Topic |

<!-- .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:* Why might it be a puzzle?

```conllu
# sent_id = question:biology:104-koalas-wombats-tasmanian-devils-and-the-platypus:t3:2
# text = Why might it be a puzzle?
1	Why	why	ADV	WRB	PronType=Int	6	advmod	_	_
2	might	might	AUX	MD	VerbForm=Fin	6	aux	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	nsubj	_	_
4	be	be	AUX	VB	VerbForm=Inf	6	cop	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	puzzle	puzzle	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
7	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | might | officer | a puzzle |  |  |  |  | tree rules |

## The options {#options}

### Option 1 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Koala fingerprints look very like human ones

```conllu
# sent_id = question:biology:104-koalas-wombats-tasmanian-devils-and-the-platypus:t3:o1:1
# text = Koala fingerprints look very like human ones
1	Koala	koala	NOUN	NN	Number=Sing	2	compound	_	_
2	fingerprints	fingerprint	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	look	look	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	very	very	ADV	RB	_	3	advmod	_	_
5	like	like	ADP	IN	_	7	case	_	_
6	human	human	ADJ	JJ	Degree=Pos	7	amod	_	_
7	ones	one	NOUN	NNS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **look** | present | Koala fingerprints |  |  |  |  | like human ones | vn stimulus\_subject-30.4 «NP V PP.attribute»: agent=Stimulus |

### Option 2 {#o2}

<!-- .ven lang=en -->
Wombats paint their fingerprints

```conllu
# sent_id = question:biology:104-koalas-wombats-tasmanian-devils-and-the-platypus:t3:o2:1
# text = Wombats paint their fingerprints
1	Wombats	wombat	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	paint	paint	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	_	_
4	fingerprints	fingerprint	NOUN	NNS	Number=Plur	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **paint** | present | Wombats | Wombats's fingerprints |  |  |  |  | vn image\_impression-25.1 «NP V NP.destination»: agent=Agent fingerprint=Destination |
| 2 | **fingerprint** |  | Wombats *= wombat* |  |  |  |  |  | nom fingerprint «communication transitive»: poss=agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
Kangaroos leave lots of fingerprints on trees

```conllu
# sent_id = question:biology:104-koalas-wombats-tasmanian-devils-and-the-platypus:t3:o3:1
# text = Kangaroos leave lots of fingerprints on trees
1	Kangaroos	kangaroo	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	leave	leave	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	lots	lot	NOUN	NNS	Number=Plur	2	obj	_	_
4	of	of	ADP	IN	_	5	case	_	_
5	fingerprints	fingerprint	NOUN	NNS	Number=Plur	3	nmod	_	_
6	on	on	ADP	IN	_	7	case	_	_
7	trees	tree	NOUN	NNS	Number=Plur	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **leave** | present | Kangaroos | lots of fingerprints |  | trees |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent lot=Theme on tree=Location |

### Option 4 · ← Mova's choice {#o4}

<!-- .ven lang=en -->
Trees make their own fingerprints

```conllu
# sent_id = question:biology:104-koalas-wombats-tasmanian-devils-and-the-platypus:t3:o4:1
# text = Trees make their own fingerprints
1	Trees	tree	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
4	own	own	ADJ	JJ	Degree=Pos	5	amod	_	_
5	fingerprints	fingerprint	NOUN	NNS	Number=Plur	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Trees | Trees's own fingerprints |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset fingerprint=Product |
| 2 | **fingerprint** |  | Trees *= tree* |  |  |  |  |  | nom fingerprint «communication transitive»: poss=agent |

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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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- ↑ back to [Koalas, wombats, Tasmanian devils and the platypus](https://md.mova.elamur.ai/free/en/corpora/questions/biology/104-koalas-wombats-tasmanian-devils-and-the-platypus/)