---
title: Why does a dandelion do well in a crack where nothing else grows? — The city as a habitat · tree and pragmatics
description: Why does a dandelion do well in a crack where nothing else grows? Test 10 of lesson 14 «The city as a habitat» 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 right.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/14-the-city-as-a-habitat/t10/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / [The city as a habitat](https://md.mova.elamur.ai/free/en/corpora/questions/biology/14-the-city-as-a-habitat/) / t10

# Test 10 · The city as a habitat

<!-- .ven lang=en -->
Why does a dandelion do well in a crack where nothing else grows?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** nothing · **What happens:** do, grow · **To what, where:** dandelion

<!-- .vabout -->
This is test 10 of lesson 14 «The city as a habitat» 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/14-the-city-as-a-habitat/#t10).

## The question {#question}

```conllu
# sent_id = question:biology:14-the-city-as-a-habitat:t10:1
# text = Why does a dandelion do well in a crack where nothing else grows?
1	Why	why	ADV	WRB	PronType=Int	0	root	_	_
2	does	do	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	advcl	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	dandelion	dandelion	NOUN	NN	Number=Sing	2	obj	_	_
5	do	do	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	parataxis	_	_
6	well	well	ADV	RB	Degree=Pos	5	advmod	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	crack	crack	NOUN	NN	Number=Sing	6	obl	_	_
10	where	where	ADV	WRB	PronType=Rel	13	advmod	_	_
11	nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	13	nsubj	_	_
12	else	else	ADV	RB	_	11	advmod	_	_
13	grows	grow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	acl:relcl	_	SpaceAfter=No
14	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present |  | a dandelion |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent dandelion=Eventuality |
| 2 | **do** | present |  |  |  |  |  | well *property* | vn act-114-1 «NP V»: agent=Agent |
| 3 | **grow** | present | nothing |  |  |  |  |  | vn appear-48.1.1 «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.

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
People water it every day

```conllu
# sent_id = question:biology:14-the-city-as-a-habitat:t10:o1:1
# text = People water it every day
1	People	people	NOUN	NNS	Number=Plur	2	compound	_	_
2	water	water	NOUN	NN	Number=Sing	5	nsubj	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
4	every	every	DET	DT	PronType=Tot	5	det	_	_
5	day	day	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
No other plants compete, and its long root finds water

```conllu
# sent_id = question:biology:14-the-city-as-a-habitat:t10:o2:1
# text = No other plants compete, and its long root finds water
1	No	no	DET	DT	PronType=Neg	3	det	_	_
2	other	other	ADJ	JJ	Degree=Pos	3	amod	_	_
3	plants	plant	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	compete	compete	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	10	punct	_	_
6	and	and	CCONJ	CC	_	10	cc	_	_
7	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	_	_
8	long	long	ADJ	JJ	Degree=Pos	9	amod	_	_
9	root	root	NOUN	NN	Number=Sing	10	nsubj	_	_
10	finds	find	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
11	water	water	NOUN	NN	Number=Sing	10	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **compete** | present | no other plants |  |  |  |  |  | vn battle-36.4 «NP V»: agent=Agent |
| 2 | **find** | present | its long root | water |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent water=Topic |

### Option 3 {#o3}

<!-- .ven lang=en -->
The pavement gives it extra food

```conllu
# sent_id = question:biology:14-the-city-as-a-habitat:t10:o3:1
# text = The pavement gives it extra food
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	pavement	pavement	NOUN	NN	Number=Sing	3	nsubj	_	_
3	gives	give	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	obj	_	_
5	extra	extra	ADJ	JJ	Degree=Pos	6	amod	_	_
6	food	food	NOUN	NN	Number=Sing	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present | the pavement | it |  |  |  |  | vn give-13.1-1 «NP V NP-Dative NP»: agent=Agent it=Recipient food=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
The cracks are kept warm by the cars driving past all day

```conllu
# sent_id = question:biology:14-the-city-as-a-habitat:t10:o4:1
# text = The cracks are kept warm by the cars driving past all day
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	cracks	crack	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	kept	keep	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	warm	warm	ADJ	JJ	Degree=Pos	4	xcomp	_	_
6	by	by	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	cars	car	NOUN	NNS	Number=Plur	4	obl	_	_
9	driving	drive	VERB	VBG	VerbForm=Ger	8	acl	_	_
10	past	past	ADP	IN	_	12	case	_	_
11	all	all	DET	DT	PronType=Tot	12	det	_	_
12	day	day	NOUN	NN	Number=Sing	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | present · passive |  | the cracks |  |  |  | by the cars; warm *property* | vn keep-15.2 «NP V NP PP.location»: subject=Theme by car=Location |
| 2 | **drive** | gerund | the cars *not said here* |  |  |  | day |  | vn nonvehicle-51.4.2-1 «NP.agent V»: agent=Agent |

<!-- div src -->

**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 -->

<!-- pn -->
- ← previous: [The city as a habitat, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/biology/14-the-city-as-a-habitat/t9/)
- next →: [The city as a habitat, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/14-the-city-as-a-habitat/t11/)
- ↑ back to [The city as a habitat](https://md.mova.elamur.ai/free/en/corpora/questions/biology/14-the-city-as-a-habitat/)