---
title: Undo the steps from the end: take away the 5 to get 21, then divide… — The unknown number: equations as stories · tree and pragmatics
description: Undo the steps from the end: take away the 5 to get 21, then divide by 3 to get 7. Who acts: you. A sentence of the lesson «The unknown number: equations as stories» of the lessons course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# The unknown number: equations as stories, sentence 2

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Undo the steps from the end: take away the 5 to get 21, then divide by 3 to get 7.

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**Who acts:** you · **What happens:** undo, take away, get, divide · **To what, where:** steps, end, 5, 21, 7

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This is a sentence of the lesson «The unknown number: equations as stories» of the lessons 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 (you), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:lessons:138-equations-as-stories.lesson:2
# text = Undo the steps from the end: take away the 5 to get 21, then divide by 3 to get 7.
# source = school lesson (ours)
# course = lessons
# lesson = 138-equations-as-stories.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 ×1
1	Undo	undo	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	steps	step	NOUN	NNS	Number=Plur	1	obj	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	end	end	NOUN	NN	Number=Sing	1	obl	_	_
7	:	:	PUNCT	:	_	8	punct	_	_
8	take	take	VERB	VB	Mood=Imp|VerbForm=Fin	1	parataxis	_	Agree=R7-rel-agree|Haiku=1:conj
9	away	away	ADP	RP	_	8	compound:prt	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	5	5	NUM	CD	NumForm=Digit|NumType=Card	8	obj	_	_
12	to	to	PART	TO	_	13	mark	_	_
13	get	get	VERB	VB	VerbForm=Inf	8	advcl	_	_
14	21	21	NUM	CD	NumForm=Digit|NumType=Card	13	obj	_	_
15	,	,	PUNCT	,	_	17	punct	_	_
16	then	then	ADV	RB	PronType=Dem	17	advmod	_	_
17	divide	divide	VERB	VB	Mood=Imp|VerbForm=Fin	8	conj	_	Agree=R5-strong|Haiku=1:conj
18	by	by	ADP	IN	_	19	case	_	_
19	3	3	NUM	CD	NumForm=Digit|NumType=Card	17	obl	_	_
20	to	to	PART	TO	_	21	mark	_	_
21	get	get	VERB	VB	VerbForm=Inf	17	advcl	_	_
22	7	7	NUM	CD	NumForm=Digit|NumType=Card	21	obj	_	_
23	.	.	PUNCT	.	_	1	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: command
- act: request
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **undo** | imperative | you *not said here* | the steps |  |  | from the end |  | vn destroy-44 «NP V NP»: agent=Agent step=Patient |
| 2 | **take away** | infinitive |  | the 5 |  |  |  |  | vn remove-10.1 «NP V NP»: agent=Agent 5=Theme |
| 3 | **get** | to-infinitive |  | 21 |  |  |  |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer 21=Stimulus |
| 4 | **divide** | infinitive |  |  |  |  | then | by 3 | vn multiply-108-1 «NP V NP PP.co-theme»: agent=Agent by 3=Co-Theme |
| 5 | **get** | to-infinitive |  | 7 |  |  |  |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer 7=Stimulus |

<!-- .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:lessons:138-equations-as-stories.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 ×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: [The unknown number: equations as stories, 0](https://md.mova.elamur.ai/free/en/corpora/school/lessons/138-equations-as-stories/0/)
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