---
title: A potato is a swollen underground stem full of starch, and its sprou… — How plants grow: seeds, light, water and air · tree and pragmatics
description: A potato is a swollen underground stem full of starch, and its sprouts are new shoots; green parts of potatoes can be poisonous. Who acts: potato, sprouts. A sentence of the lesson «How plants grow: seeds, light, water and air» of the biology course of Mova's primary school with its dependency tree 
---

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# How plants grow: seeds, light, water and air, sentence 16

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A potato is a swollen underground stem full of starch, and its sprouts are new shoots; green parts of potatoes can be poisonous.

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**Who acts:** potato, sprouts · **What happens:** be · **To what, where:** swollen underground stem, new shoots

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This is a sentence of the lesson «How plants grow: seeds, light, water and air» 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 (potato, sprouts), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:056-how-plants-grow.lesson:16
# text = A potato is a swollen underground stem full of starch, and its sprouts are new shoots; green parts of potatoes can be poisonous.
# source = school lesson (ours)
# course = biology
# lesson = 056-how-plants-grow.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 ×1, R8-pos-agree ×1
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	potato	potato	NOUN	NN	Number=Sing	7	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
5	swollen	swollen	ADJ	JJ	Degree=Pos	7	amod	_	Agree=R8-pos-agree|Haiku=7:amod|HaikuPos=VERB:VBN:Tense=Past|VerbForm=Part|Voice=Pass
6	underground	underground	ADJ	JJ	Degree=Pos	7	amod	_	_
7	stem	stem	NOUN	NN	Number=Sing	0	root	_	_
8	full	full	ADJ	JJ	Degree=Pos	7	amod	_	_
9	of	of	ADP	IN	_	10	case	_	_
10	starch	starch	NOUN	NN	Number=Sing	8	obl	_	_
11	,	,	PUNCT	,	_	17	punct	_	_
12	and	and	CCONJ	CC	_	17	cc	_	_
13	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	14	nmod:poss	_	_
14	sprouts	sprout	NOUN	NNS	Number=Plur	17	nsubj	_	_
15	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	17	cop	_	_
16	new	new	ADJ	JJ	Degree=Pos	17	amod	_	_
17	shoots	shoot	NOUN	NNS	Number=Plur	7	conj	_	Agree=R7-rel-agree|Haiku=7:parataxis
18	;	;	PUNCT	,	_	20	punct	_	_
19	green	green	ADJ	JJ	Degree=Pos	20	amod	_	_
20	parts	part	NOUN	NNS	Number=Plur	17	conj	_	_
21	of	of	ADP	IN	_	22	case	_	_
22	potatoes	potato	NOUN	NNS	Number=Plur	20	nmod	_	_
23	can	can	AUX	MD	VerbForm=Fin	25	aux	_	_
24	be	be	AUX	VB	VerbForm=Inf	25	cop	_	_
25	poisonous	poisonous	ADJ	JJ	Degree=Pos	7	parataxis	_	_
26	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a potato | a swollen underground stem and new shoots and green parts of potatoes |  |  |  |  | tree rules |
| 2 | **is a** | present | potato's sprouts | new shoots and green parts of potatoes |  |  |  |  | tree rules |
| 3 | **is** | can |  |  |  |  |  | poisonous *property* | tree rules |

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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:056-how-plants-grow.lesson:16`.

**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 ×1, 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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