---
title: The hard thing about wetland mud is that it has almost no oxygen, so… — Swamps, marshes, mangroves and bogs · tree and pragmatics
description: The hard thing about wetland mud is that it has almost no oxygen, so roots can suffocate and dead plants hardly rot; poke it with a stick and stinky bubbles of marsh gas come up. Who acts: water, roots, dead plants. A sentence of the lesson «Swamps, marshes, mangroves and bogs» of the biology course
---

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# Swamps, marshes, mangroves and bogs, sentence 2

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The hard thing about wetland mud is that it has almost no oxygen, so roots can suffocate and dead plants hardly rot; poke it with a stick and stinky bubbles of marsh gas come up.

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**Who acts:** water, roots, dead plants · **What happens:** be, have, suffocate, rot, poke, come up · **To what, where:** hard thing, oxygen, water

<!-- .vabout -->
This is a sentence of the lesson «Swamps, marshes, mangroves and bogs» 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 (water, roots, dead plants), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:011-swamps-marshes-mangroves-and-bogs.lesson:2
# text = The hard thing about wetland mud is that it has almost no oxygen, so roots can suffocate and dead plants hardly rot; poke it with a stick and stinky bubbles of marsh gas come up.
# source = school lesson (ours)
# course = biology
# lesson = 011-swamps-marshes-mangroves-and-bogs.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): R5-strong ×1, R7-rel-agree ×3, R8-pos-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	hard	hard	ADJ	JJ	Degree=Pos	3	amod	_	_
3	thing	thing	NOUN	NN	Number=Sing	0	root	_	_
4	about	about	ADP	IN	_	6	case	_	_
5	wetland	wetland	NOUN	NN	Number=Sing	6	compound	_	_
6	mud	mud	NOUN	NN	Number=Sing	3	nmod	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
8	that	that	SCONJ	IN	_	10	mark	_	_
9	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	nsubj	_	Agree=R5-strong|Haiku=13:nsubj
10	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	ccomp	_	_
11	almost	almost	ADV	RB	_	13	advmod	_	_
12	no	no	DET	DT	PronType=Neg	13	det	_	_
13	oxygen	oxygen	NOUN	NN	Number=Sing	10	obj	_	_
14	,	,	PUNCT	,	_	18	punct	_	_
15	so	so	ADV	RB	_	18	advmod	_	Agree=R7-rel-agree|Haiku=18:mark|HaikuPos=SCONJ:IN:_
16	roots	root	NOUN	NNS	Number=Plur	18	nsubj	_	_
17	can	can	AUX	MD	VerbForm=Fin	18	aux	_	_
18	suffocate	suffocate	VERB	VB	VerbForm=Inf	10	parataxis	_	Agree=R7-rel-agree|Haiku=10:conj
19	and	and	CCONJ	CC	_	23	cc	_	_
20	dead	dead	ADJ	JJ	Degree=Pos	21	amod	_	_
21	plants	plant	NOUN	NNS	Number=Plur	23	nsubj	_	Agree=R7-rel-agree|Haiku=23:obj
22	hardly	hardly	ADV	RB	_	23	advmod	_	_
23	rot	rot	VERB	VB	VerbForm=Inf	18	conj	_	_
24	;	;	PUNCT	:	_	25	punct	_	_
25	poke	poke	VERB	VB	VerbForm=Inf	18	conj	_	_
26	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	25	obj	_	_
27	with	with	ADP	IN	_	29	case	_	_
28	a	a	DET	DT	Definite=Ind|PronType=Art	29	det	_	_
29	stick	stick	NOUN	NN	Number=Sing	25	obl	_	_
30	and	and	CCONJ	CC	_	32	cc	_	_
31	stinky	stinky	ADJ	JJ	Degree=Pos	32	amod	_	_
32	bubbles	bubble	NOUN	NNS	Number=Plur	29	conj	_	_
33	of	of	ADP	IN	_	35	case	_	_
34	marsh	marsh	NOUN	NN	Number=Sing	35	compound	_	_
35	gas	gas	NOUN	NN	Number=Sing	32	nmod	_	_
36	come	come	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	25	conj	_	Agree=R8-pos-agree|Haiku=25:conj|HaikuPos=VERB:VB:VerbForm=Inf
37	up	up	ADV	RB	_	36	advmod	_	_
38	.	.	PUNCT	.	_	13	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present |  | the hard thing |  |  |  | about wetland mud | tree rules |
| 2 | **have** | present | water | no oxygen |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent oxygen=Patient |
| 3 | **suffocate** | can | roots |  |  |  |  |  | vn suffocate-40.7 «NP.theme V»: agent=Patient |
| 4 | **rot** | infinitive | dead plants |  |  |  |  | hardly *property* | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |
| 5 | **poke** | infinitive | roots *not said here* | water |  |  |  | with a stick and stinky bubbles of marsh gas | vn poke-19-1-1-1 «NP V NP.theme PP.instsrument»: agent=Agent it=Theme with stick=Instrument |
| 6 | **come up** | present | roots *not said here* |  |  |  |  |  | vn escape-51.1-1 «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.

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**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:011-swamps-marshes-mangroves-and-bogs.lesson:2`.

**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): R5-strong ×1, R7-rel-agree ×3, R8-pos-agree ×1. **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/).

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- ← previous: [Swamps, marshes, mangroves and bogs, 1](https://md.mova.elamur.ai/free/en/corpora/school/biology/11-swamps-marshes-mangroves-and-bogs/1/)
- next →: [Swamps, marshes, mangroves and bogs, 3](https://md.mova.elamur.ai/free/en/corpora/school/biology/11-swamps-marshes-mangroves-and-bogs/3/)
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