---
title: Which of the following statements most accurately characterises the… — The Amazon river: pink dolphins, flood… · tree and pragmatics
description: Which of the following statements most accurately characterises the pororoca? Exam question 3 of lesson 155 «The Amazon river: pink dolphins, flooded forest, giant fish and piranhas» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each o
---

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# Exam question 3 · The Amazon river: pink dolphins, flooded forest, giant fis…

<!-- .ven lang=en -->
Which of the following statements most accurately characterises the pororoca?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **What happens:** follow, characteris · **To what, where:** pororoca

<!-- .vabout -->
This is exam question 3 of lesson 155 «The Amazon river: pink dolphins, flooded forest, giant fish and piranhas» of the biology course of Mova's primary school, asked in stiff, formal language. 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/155-the-amazon-river/#e3).

## The question {#question}

```conllu
# sent_id = question:biology:155-the-amazon-river:e3:1
# text = Which of the following statements most accurately characterises the pororoca?
1	Which	which	PRON	WDT	PronType=Rel	8	nsubj	_	_
2	of	of	ADP	IN	_	5	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	following	follow	VERB	VBG	VerbForm=Ger	5	amod	_	_
5	statements	statement	NOUN	NNS	Number=Plur	8	obl	_	_
6	most	most	ADV	RBS	Degree=Sup	7	advmod	_	_
7	accurately	accurately	ADV	RB	_	8	advmod	_	_
8	characterises	characteris	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	pororoca	pororoca	NOUN	NN	Number=Sing	8	obj	_	SpaceAfter=No
11	?	?	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **characteris** | present |  | the pororoca |  |  |  | of the following statements; accurately *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 -->
A shoal of predatory fish

```conllu
# sent_id = question:biology:155-the-amazon-river:e3:o1:1
# text = A shoal of predatory fish
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	shoal	shoal	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	predatory	predatory	ADJ	JJ	Degree=Pos	5	amod	_	_
5	fish	fish	NOUN	NN	Number=Sing	2	nmod	_	_
```

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

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
A tidal wave advancing up the mouth of the river against its current

```conllu
# sent_id = question:biology:155-the-amazon-river:e3:o2:1
# text = A tidal wave advancing up the mouth of the river against its current
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	tidal	tidal	ADJ	JJ	Degree=Pos	3	amod	_	_
3	wave	wave	NOUN	NN	Number=Sing	0	root	_	_
4	advancing	advance	VERB	VBG	VerbForm=Ger	3	acl	_	_
5	up	up	ADP	RP	_	4	compound:prt	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	mouth	mouth	NOUN	NN	Number=Sing	4	obj	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	river	river	NOUN	NN	Number=Sing	7	nmod	_	_
11	against	against	ADP	IN	_	13	case	_	_
12	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	current	current	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **advance up** | gerund | a tidal wave *not said here* | the mouth of the river |  |  |  | against river's current | vn caused\_calibratable\_cos-45.6.2-1 «NP V NP.patient»: agent=Causer mouth=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
A species of freshwater dolphin of a pink colour

```conllu
# sent_id = question:biology:155-the-amazon-river:e3:o3:1
# text = A species of freshwater dolphin of a pink colour
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	species	species	NOUN	NNS	Number=Plur	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	freshwater	freshwater	NOUN	NN	Number=Sing	5	compound	_	_
5	dolphin	dolphin	NOUN	NN	Number=Sing	2	nmod	_	_
6	of	of	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	pink	pink	ADJ	JJ	Degree=Pos	9	amod	_	_
9	colour	colour	NOUN	NN	Number=Sing	5	nmod	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
A tract of seasonally flooded forest

```conllu
# sent_id = question:biology:155-the-amazon-river:e3:o4:1
# text = A tract of seasonally flooded forest
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	tract	tract	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	6	case	_	_
4	seasonally	seasonally	ADV	RB	_	5	advmod	_	_
5	flooded	flood	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	amod	_	_
6	forest	forest	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **flood** | participle |  |  |  |  |  | seasonally *property* | vn other\_cos-45.4 «NP.patient V»: agent=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.

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