---
title: That is why we cannot simply open all the cages: a release works onl… — Back to the wild: animals that zoos returned to… · tree and pragmatics
description: That is why we cannot simply open all the cages: a release works only when the wild home is protected and the thing that killed the animals in the first place has gone. Who acts: That, we, release, thing. A sentence of the lesson «Back to the wild: animals that zoos returned to nature» of the biolog
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/114-back-to-the-wild/4/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Back to the wild: animals that zoos re…](https://md.mova.elamur.ai/free/en/corpora/school/biology/114-back-to-the-wild/) / 4

# Back to the wild: animals that zoos returned to nature, sentence 4

<!-- .ven lang=en -->
That is why we cannot simply open all the cages: a release works only when the wild home is protected and the thing that killed the animals in the first place has gone.

<!-- .vintro -->
**Who acts:** That, we, release, thing · **What happens:** be, not open, work, protect, kill, go · **To what, where:** cages, wild home, animals, first place

<!-- .vabout -->
This is a sentence of the lesson «Back to the wild: animals that zoos returned to nature» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (That, we, release, thing), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:114-back-to-the-wild.lesson:4
# text = That is why we cannot simply open all the cages: a release works only when the wild home is protected and the thing that killed the animals in the first place has gone.
# source = school lesson (ours)
# course = biology
# lesson = 114-back-to-the-wild.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×2
1	That	that	PRON	DT	Number=Sing|PronType=Dem	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	why	why	ADV	WRB	PronType=Rel	0	root	_	_
4	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	8	nsubj	_	_
5	can	can	AUX	MD	VerbForm=Fin	8	aux	_	_
6	not	not	PART	RB	Polarity=Neg	8	advmod	_	_
7	simply	simply	ADV	RB	_	8	advmod	_	_
8	open	open	VERB	VB	VerbForm=Inf	3	advcl:relcl	_	_
9	all	all	DET	PDT	PronType=Tot	11	det:predet	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	cages	cage	NOUN	NNS	Number=Plur	8	obj	_	Agree=R7-rel-agree|Haiku=8:obl:unmarked
12	:	:	PUNCT	:	_	15	punct	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	release	release	NOUN	NN	Number=Sing	15	nsubj	_	_
15	works	work	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:advcl:relcl
16	only	only	ADV	RB	_	22	advmod	_	_
17	when	when	ADV	WRB	PronType=Int	22	advmod	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	20	det	_	_
19	wild	wild	ADJ	JJ	Degree=Pos	20	amod	_	_
20	home	home	NOUN	NN	Number=Sing	22	nsubj:pass	_	_
21	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	22	aux:pass	_	_
22	protected	protect	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	15	advcl	_	_
23	and	and	CCONJ	CC	_	35	cc	_	_
24	the	the	DET	DT	Definite=Def|PronType=Art	25	det	_	_
25	thing	thing	NOUN	NN	Number=Sing	35	nsubj	_	_
26	that	that	PRON	WDT	PronType=Rel	27	nsubj	_	_
27	killed	kill	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	25	acl:relcl	_	_
28	the	the	DET	DT	Definite=Def|PronType=Art	29	det	_	_
29	animals	animal	NOUN	NNS	Number=Plur	27	obj	_	_
30	in	in	ADP	IN	_	33	case	_	_
31	the	the	DET	DT	Definite=Def|PronType=Art	33	det	_	_
32	first	first	ADJ	JJ	Degree=Pos|NumForm=Word|NumType=Ord	33	amod	_	_
33	place	place	NOUN	NN	Number=Sing	27	obl	_	_
34	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	35	aux	_	_
35	gone	go	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	22	conj	_	_
36	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: changed polarity=none

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | That |  |  |  |  | why *property* | tree rules |
| 2 | **not** **open** | can | we | all cages |  |  |  | simply *property* | vn spatial\_configuration-47.6-1 «PP.location V NP»: agent=Location cage=Theme |
| 3 | **work** | present | a release |  |  |  |  |  | vn employment-95.3 «NP V»: agent=Agent |
| 4 | **protect** | present · passive |  | the wild home |  |  |  |  | vn defend-72.3 «NP V NP»: subject=Beneficiary |
| 5 | **kill** | past | the thing | the animals |  | the first place |  |  | vn remove-10.1 «NP V NP»: agent=Agent animal=Theme |
| 6 | **go** | present · perfect | the thing |  |  |  |  |  | vn disappearance-48.2-1 «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.

<!-- div src -->

**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:114-back-to-the-wild.lesson:4`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×2. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

<!-- /div -->

<!-- pn -->
- ← previous: [Back to the wild: animals that zoos re…, 3](https://md.mova.elamur.ai/free/en/corpora/school/biology/114-back-to-the-wild/3/)
- next →: [Back to the wild: animals that zoos re…, 6](https://md.mova.elamur.ai/free/en/corpora/school/biology/114-back-to-the-wild/6/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/114-back-to-the-wild/)

