---
title: Pair the numbers from both ends to add fast: 1 + 4 = 5 and 2 + 3 = 5. — A staircase of cubes and handshakes · tree and pragmatics
description: Pair the numbers from both ends to add fast: 1 + 4 = 5 and 2 + 3 = 5. Who acts: you. A sentence of the lesson «A staircase of cubes and handshakes» of the lessons course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# A staircase of cubes and handshakes, sentence 2

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Pair the numbers from both ends to add fast: 1 + 4 = 5 and 2 + 3 = 5.

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**Who acts:** you · **What happens:** pair, add · **To what, where:** numbers, ends

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This is a sentence of the lesson «A staircase of cubes and handshakes» 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:130-staircase-and-handshakes.lesson:2
# text = Pair the numbers from both ends to add fast: 1 + 4 = 5 and 2 + 3 = 5.
# source = school lesson (ours)
# course = lessons
# lesson = 130-staircase-and-handshakes.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	Pair	pair	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	numbers	number	NOUN	NNS	Number=Plur	1	obj	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	both	both	DET	DT	PronType=Tot	6	det	_	_
6	ends	end	NOUN	NNS	Number=Plur	1	obl	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	add	add	VERB	VB	VerbForm=Inf	1	advcl	_	_
9	fast	fast	ADV	RB	Degree=Pos	8	advmod	_	_
10	:	:	PUNCT	:	_	1	punct	_	_
11	1	1	NUM	CD	NumForm=Digit|NumType=Card	13	compound	_	_
12	+	+	SYM	SYM	_	13	cc	_	Agree=R7-rel-agree|Haiku=13:advmod
13	4	4	NUM	CD	NumForm=Digit|NumType=Card	1	parataxis	_	_
14	=	=	SYM	SYM	_	15	case	_	_
15	5	5	NUM	CD	NumForm=Digit|NumType=Card	13	nmod	_	_
16	and	and	CCONJ	CC	_	20	cc	_	_
17	2	2	NUM	CD	NumForm=Digit|NumType=Card	20	nsubj	_	_
18	+	+	SYM	SYM	_	19	cc	_	Agree=R7-rel-agree|Haiku=19:advmod
19	3	3	NUM	CD	NumForm=Digit|NumType=Card	17	nmod	_	_
20	=	=	SYM	SYM	_	13	conj	_	_
21	5	5	NUM	CD	NumForm=Digit|NumType=Card	20	flat	_	_
22	.	.	PUNCT	.	_	1	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: command
- act: request
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pair** | imperative | you *not said here* | the numbers |  |  | from both ends |  | vn amalgamate-22.2-2 «NP V NP»: agent=Agent number=Patient |
| 2 | **add** *speech: assert* | to-infinitive | you *not said here* |  |  |  |  | fast *property* | vn mix-22.1-2 «NP V ADVP-Middle»: agent=Patient |

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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:lessons:130-staircase-and-handshakes.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): 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/).

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- ← previous: [A staircase of cubes and handshakes, 1](https://md.mova.elamur.ai/free/en/corpora/school/lessons/130-staircase-and-handshakes/1/)
- next →: [The times table in stories, 0](https://md.mova.elamur.ai/free/en/corpora/school/lessons/131-times-table-stories/0/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/lessons/130-staircase-and-handshakes/)