---
title: A troop of 4 spider monkeys hangs from a branch, each by its tail on… — The Amazon canopy: howlers, harpy eagl… · tree and pragmatics
description: A troop of 4 spider monkeys hangs from a branch, each by its tail only. How many tails are holding on? Test 4 · ★ of lesson 156 «The Amazon canopy: howlers, harpy eagles, toucans, dart frogs and sloth gardens» of the biology course of Mova's primary school, with the dependency tree and pragmatics of
---

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# Test 4 · ★ · The Amazon canopy: howlers, harpy eagles, toucans, dart fr…

<!-- .ven lang=en -->
A troop of 4 spider monkeys hangs from a branch, each by its tail only. How many tails are holding on?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** troop, many tails · **What happens:** hang, hold on · **To what, where:** branch

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This is test 4 · ★ of lesson 156 «The Amazon canopy: howlers, harpy eagles, toucans, dart frogs and sloth gardens» 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/156-the-amazon-canopy/#t4).

## The question {#question}

<!-- .note -->
*Sentence 1:* A troop of 4 spider monkeys hangs from a branch, each by its tail only.

```conllu
# sent_id = question:biology:156-the-amazon-canopy:t4:1
# text = A troop of 4 spider monkeys hangs from a branch, each by its tail only.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	troop	troop	NOUN	NN	Number=Sing	7	nsubj	_	_
3	of	of	ADP	IN	_	6	case	_	_
4	4	4	NUM	CD	NumForm=Digit|NumType=Card	6	nummod	_	_
5	spider	spider	NOUN	NN	Number=Sing	6	compound	_	_
6	monkeys	monkey	NOUN	NNS	Number=Plur	2	nmod	_	_
7	hangs	hang	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	from	from	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	branch	branch	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
11	,	,	PUNCT	,	_	15	punct	_	_
12	each	each	DET	DT	PronType=Tot	15	det	_	_
13	by	by	ADP	IN	_	15	case	_	_
14	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	15	nmod:poss	_	_
15	tail	tail	NOUN	NN	Number=Sing	7	conj	_	_
16	only	only	ADV	RB	_	15	advmod	_	SpaceAfter=No
17	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hang** | present | a troop of 4 spider monkeys |  |  | a branch |  |  | vn assuming\_position-50 «NP V»: agent=Agent |

<!-- .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:* How many tails are holding on?

```conllu
# sent_id = question:biology:156-the-amazon-canopy:t4:2
# text = How many tails are holding on?
1	How	how	ADV	WRB	PronType=Int	2	advmod	_	_
2	many	many	ADJ	JJ	Degree=Pos	3	amod	_	_
3	tails	tail	NOUN	NNS	Number=Plur	5	nsubj	_	_
4	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	aux	_	_
5	holding	hold	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
6	on	on	ADP	RP	_	5	compound:prt	_	SpaceAfter=No
7	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hold on** | present · progressive | many tails |  |  |  |  |  | vn exist-47.1 «NP V»: agent=Theme |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
16

```conllu
# sent_id = question:biology:156-the-amazon-canopy:t4:o1:1
# text = 16
1	16	16	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
2

```conllu
# sent_id = question:biology:156-the-amazon-canopy:t4:o2:1
# text = 2
1	2	2	NUM	LS	NumForm=Digit|NumType=Card	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
8

```conllu
# sent_id = question:biology:156-the-amazon-canopy:t4:o3:1
# text = 8
1	8	8	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
4

```conllu
# sent_id = question:biology:156-the-amazon-canopy:t4:o4:1
# text = 4
1	4	4	NUM	CD	NumForm=Digit|NumType=Card	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.

<!-- /div -->

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- ← previous: [The Amazon canopy: howlers, harpy eagl…, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/156-the-amazon-canopy/t3/)
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