---
title: On the other end hangs a heavy counterweight, so the motor only has… — Escalators and lifts · tree and pragmatics
description: On the other end hangs a heavy counterweight, so the motor only has to lift the difference, a bit like two children balancing on a seesaw. Who acts: heavy counterweight, motor, two children. A sentence of the lesson «Escalators and lifts» of the technology course of Mova's primary school with its de
---

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# Escalators and lifts, sentence 3

<!-- .ven lang=en -->
On the other end hangs a heavy counterweight, so the motor only has to lift the difference, a bit like two children balancing on a seesaw.

<!-- .vintro -->
**Who acts:** heavy counterweight, motor, two children · **What happens:** hang, have, lift, balance · **To what, where:** other end, difference, seesaw

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This is a sentence of the lesson «Escalators and lifts» of the technology 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 (heavy counterweight, motor, two children), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:026-escalators-and-lifts.lesson:3
# text = On the other end hangs a heavy counterweight, so the motor only has to lift the difference, a bit like two children balancing on a seesaw.
# source = school lesson (ours)
# course = technology
# lesson = 026-escalators-and-lifts.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): R6-punct-agree ×1
1	On	on	ADP	IN	_	4	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	other	other	ADJ	JJ	Degree=Pos	4	amod	_	_
4	end	end	NOUN	NN	Number=Sing	5	obl	_	_
5	hangs	hang	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	heavy	heavy	ADJ	JJ	Degree=Pos	8	amod	_	_
8	counterweight	counterweight	NOUN	NN	Number=Sing	5	nsubj	_	_
9	,	,	PUNCT	,	_	14	punct	_	_
10	so	so	ADV	RB	_	14	advmod	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	motor	motor	NOUN	NN	Number=Sing	14	nsubj	_	_
13	only	only	ADV	RB	_	14	advmod	_	_
14	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	advcl	_	_
15	to	to	PART	TO	_	16	mark	_	_
16	lift	lift	VERB	VB	VerbForm=Inf	14	xcomp	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
18	difference	difference	NOUN	NN	Number=Sing	16	obj	_	_
19	,	,	PUNCT	,	_	5	punct	_	_
20	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
21	bit	bit	NOUN	NN	Number=Sing	18	appos	_	_
22	like	like	ADP	IN	_	24	case	_	_
23	two	two	NUM	CD	NumForm=Word|NumType=Card	24	nummod	_	_
24	children	child	NOUN	NNS	Number=Plur	21	nmod	_	_
25	balancing	balance	VERB	VBG	Tense=Pres|VerbForm=Part	24	acl	_	_
26	on	on	ADP	IN	_	28	case	_	_
27	a	a	DET	DT	Definite=Ind|PronType=Art	28	det	_	_
28	seesaw	seesaw	NOUN	NN	Number=Sing	25	obl	_	_
29	.	.	PUNCT	.	_	5	punct	_	Agree=R6-punct-agree|Haiku=25:punct
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: pos
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hang** | present | a heavy counterweight |  |  |  | on the other end |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent on end=Location |
| 2 | **have** | present | the motor |  |  |  |  |  | tree rules |
| 3 | **lift** | to-infinitive | the motor *not said here* | the difference |  |  |  |  | vn put\_direction-9.4 «NP V NP»: agent=Agent difference=Theme |
| 4 | **balance** | gerund | two children *not said here* |  |  | a seesaw |  |  | vn spatial\_configuration-47.6-1 «NP V PP.location»: agent=Theme on seesaw=Location |

<!-- .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:technology:026-escalators-and-lifts.lesson:3`.

**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): R6-punct-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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