---
title: Which feet would be best for both swimming and walking? — The park pond through the year: ducks,… · tree and pragmatics
description: Which feet would be best for both swimming and walking? Test 9 of lesson 337 «The park pond through the year: ducks, coots, swans, dragonflies and ice» 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 9 · The park pond through the year: ducks, coots, swans, drago…

<!-- .ven lang=en -->
Which feet would be best for both swimming and walking?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 1 · wrong ✗ · **Who acts:** feet · **What happens:** be

<!-- .vabout -->
This is test 9 of lesson 337 «The park pond through the year: ducks, coots, swans, dragonflies and ice» 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/337-the-park-pond-through-the-year-ducks-coots-swans-dragonflies-and-ice/#t9).

## The question {#question}

```conllu
# sent_id = question:biology:337-the-park-pond-through-the-year-ducks-coots-swans-dragonflies-and-ice:t9:1
# text = Which feet would be best for both swimming and walking?
1	Which	which	DET	WDT	PronType=Int	2	det	_	_
2	feet	foot	NOUN	NNS	Number=Plur	8	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	8	aux	_	_
4	be	be	AUX	VB	VerbForm=Inf	8	cop	_	_
5	best	well	ADV	RBS	Degree=Sup	4	advmod	_	_
6	for	for	ADP	IN	_	8	case	_	_
7	both	both	DET	DT	PronType=Tot	8	det	_	_
8	swimming	swimming	NOUN	NN	Number=Sing	0	root	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	walking	walking	NOUN	NN	Number=Sing	8	conj	_	SpaceAfter=No
11	?	?	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | would | which feet |  |  |  |  | for both swimming and walking | tree rules |

<!-- .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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Toes with lobes that spread to swim and fold to walk

```conllu
# sent_id = question:biology:337-the-park-pond-through-the-year-ducks-coots-swans-dragonflies-and-ice:t9:o1:1
# text = Toes with lobes that spread to swim and fold to walk
1	Toes	toe	NOUN	NNS	Number=Plur	0	root	_	_
2	with	with	ADP	IN	_	3	case	_	_
3	lobes	lobe	NOUN	NNS	Number=Plur	1	nmod	_	_
4	that	that	PRON	WDT	PronType=Rel	5	nsubj	_	_
5	spread	spread	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	acl:relcl	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	swim	swim	VERB	VB	VerbForm=Inf	5	xcomp	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	fold	fold	VERB	VB	VerbForm=Inf	7	conj	_	_
10	to	to	PART	TO	_	11	mark	_	_
11	walk	walk	VERB	VB	VerbForm=Inf	9	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **spread** | present | lobes |  |  |  |  |  | tree rules |
| 2 | **swim** | to-infinitive | lobes *not said here* |  |  |  |  |  | vn run-51.3.2-1 «NP V»: agent=Theme |
| 3 | **fold** | infinitive | lobes *not said here* |  |  |  |  |  | tree rules |
| 4 | **walk** | to-infinitive | lobes *not said here* |  |  |  |  |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Toes with sticky pads

```conllu
# sent_id = question:biology:337-the-park-pond-through-the-year-ducks-coots-swans-dragonflies-and-ice:t9:o2:1
# text = Toes with sticky pads
1	Toes	toe	NOUN	NNS	Number=Plur	0	root	_	_
2	with	with	ADP	IN	_	4	case	_	_
3	sticky	sticky	ADJ	JJ	Degree=Pos	4	amod	_	_
4	pads	pad	NOUN	NNS	Number=Plur	1	nmod	_	_
```

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

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
Webbed feet with no separate toes at all, like a flipper

```conllu
# sent_id = question:biology:337-the-park-pond-through-the-year-ducks-coots-swans-dragonflies-and-ice:t9:o3:1
# text = Webbed feet with no separate toes at all, like a flipper
1	Webbed	web	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
2	feet	foot	NOUN	NNS	Number=Plur	1	obl:unmarked	_	_
3	with	with	ADP	IN	_	6	case	_	_
4	no	no	DET	DT	PronType=Neg	6	det	_	_
5	separate	separate	ADJ	JJ	Degree=Pos	6	amod	_	_
6	toes	toe	NOUN	NNS	Number=Plur	1	obl	_	_
7	at	at	ADP	IN	_	8	case	_	_
8	all	all	DET	DT	PronType=Tot	6	nmod	_	SpaceAfter=No
9	,	,	PUNCT	,	_	12	punct	_	_
10	like	like	ADP	IN	_	12	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	flipper	flipper	NOUN	NN	Number=Sing	1	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **web** | participle |  | feet |  |  |  | with no separate toes at all; like a flipper | tree rules |

### Option 4 {#o4}

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

```conllu
# sent_id = question:biology:337-the-park-pond-through-the-year-ducks-coots-swans-dragonflies-and-ice:t9:o4:1
# text = Hooves
1	Hooves	hoove	NOUN	NNS	Number=Plur	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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