---
title: «crocs only live in rivers, the sea's too salty for em» What is right? — Mangroves: trees in salt water, mudski… · tree and pragmatics
description: «crocs only live in rivers, the sea's too salty for em» What is right? Test 9 · ★ of lesson 178 «Mangroves: trees in salt water, mudskippers, archerfish and swimming tigers» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mo
---

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# Test 9 · ★ · Mangroves: trees in salt water, mudskippers, archerfish an…

<!-- .ven lang=en -->
«crocs only live in rivers, the sea's too salty for em» What is right?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** crocs · **What happens:** live, be · **To what, where:** rivers · **Speech:** someone speaks here

<!-- .vabout -->
This is test 9 · ★ of lesson 178 «Mangroves: trees in salt water, mudskippers, archerfish and swimming tigers» 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/178-mangroves-trees-in-salt-water-mudskippers-archerfish-and-swimming-tigers/#t9).

## The question {#question}

```conllu
# sent_id = question:biology:178-mangroves-trees-in-salt-water-mudskippers-archerfish-and-swimming-tigers:t9:1
# text = «crocs only live in rivers, the sea's too salty for em» What is right?
1	«	«	PUNCT	``	_	2	punct	_	SpaceAfter=No
2	crocs	croc	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	only	only	ADV	RB	_	4	advmod	_	_
4	live	live	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	rivers	river	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
7	,	,	PUNCT	,	_	12	punct	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	sea	sea	NOUN	NN	Number=Sing	12	nsubj	_	SpaceAfter=No
10	's	's	PART	POS	_	9	case	_	_
11	too	too	ADV	RB	_	12	advmod	_	_
12	salty	salty	ADJ	JJ	Degree=Pos	4	parataxis	_	_
13	for	for	ADP	IN	_	14	case	_	_
14	em	em	NOUN	NN	Number=Sing	12	obl	_	SpaceAfter=No
15	»	»	PUNCT	''	_	12	punct	_	_
16	What	what	PRON	WP	PronType=Int	18	nsubj	_	_
17	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	18	cop	_	_
18	right	right	ADJ	JJ	Degree=Pos	4	parataxis	_	SpaceAfter=No
19	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** *in a quote* | present | crocs |  |  | rivers |  |  | tree rules |
| 2 | **is** | present |  |  |  |  |  | right *property* | 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 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Only baby crocodiles go in the sea

```conllu
# sent_id = question:biology:178-mangroves-trees-in-salt-water-mudskippers-archerfish-and-swimming-tigers:t9:o1:1
# text = Only baby crocodiles go in the sea
1	Only	only	ADV	RB	_	2	advmod	_	_
2	baby	baby	NOUN	NN	Number=Sing	3	compound	_	_
3	crocodiles	crocodile	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	go	go	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	sea	sea	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **go** | present | baby crocodiles |  |  | the sea |  |  | vn occur-48.3-2 «NP V PP»: agent=Theme in sea=Location |

### Option 2 {#o2}

<!-- .ven lang=en -->
Right, salt kills crocodiles

```conllu
# sent_id = question:biology:178-mangroves-trees-in-salt-water-mudskippers-archerfish-and-swimming-tigers:t9:o2:1
# text = Right, salt kills crocodiles
1	Right	right	INTJ	UH	_	4	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	salt	salt	NOUN	NN	Number=Sing	4	nsubj	_	_
4	kills	kill	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	crocodiles	crocodile	NOUN	NNS	Number=Plur	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **kill** | present | salt | crocodiles |  |  |  |  | vn remove-10.1 «NP V NP»: agent=Agent crocodile=Theme |

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

<!-- .ven lang=en -->
Saltwater crocodiles live in salt and fresh water and swim far out to sea

```conllu
# sent_id = question:biology:178-mangroves-trees-in-salt-water-mudskippers-archerfish-and-swimming-tigers:t9:o3:1
# text = Saltwater crocodiles live in salt and fresh water and swim far out to sea
1	Saltwater	saltwater	NOUN	NN	Number=Sing	2	compound	_	_
2	crocodiles	crocodile	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	live	live	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	salt	salt	NOUN	NN	Number=Sing	3	obl	_	_
6	and	and	CCONJ	CC	_	8	cc	_	_
7	fresh	fresh	ADJ	JJ	Degree=Pos	8	amod	_	_
8	water	water	NOUN	NN	Number=Sing	5	conj	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	swim	swim	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
11	far	far	ADV	RB	Degree=Pos	12	advmod	_	_
12	out	out	ADV	RB	_	10	advmod	_	_
13	to	to	ADP	IN	_	14	case	_	_
14	sea	sea	NOUN	NN	Number=Sing	10	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** | present | Saltwater crocodiles |  |  | salt and fresh water |  |  | vn lodge-46 «NP V PP.location»: agent=Theme in salt=Location |
| 2 | **swim** | present | Saltwater crocodiles *not said here* |  |  | sea |  | out *property* | vn run-51.3.2-1 «NP V PP.location»: agent=Theme to sea=Destination |

### Option 4 {#o4}

<!-- .ven lang=en -->
Crocodiles live only in deserts

```conllu
# sent_id = question:biology:178-mangroves-trees-in-salt-water-mudskippers-archerfish-and-swimming-tigers:t9:o4:1
# text = Crocodiles live only in deserts
1	Crocodiles	crocodile	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	live	live	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	only	only	ADV	RB	_	5	advmod	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	deserts	desert	NOUN	NNS	Number=Plur	2	obl	_	_
```

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

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