---
title: A rainbow is a smooth spread of countless colours; Isaac Newton chos… — Magnets, compasses and big Earth facts · tree and pragmatics
description: A rainbow is a smooth spread of countless colours; Isaac Newton chose to name seven, partly to match the seven notes of a musical scale. Who acts: rainbow, Isaac. A sentence of the lesson «Magnets, compasses and big Earth facts» of the myths course of Mova's primary school with its dependency tree a
---

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# Magnets, compasses and big Earth facts, sentence 18

<!-- .ven lang=en -->
A rainbow is a smooth spread of countless colours; Isaac Newton chose to name seven, partly to match the seven notes of a musical scale.

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**Who acts:** rainbow, Isaac · **What happens:** be, choose, name, match, note · **To what, where:** smooth spread, seven, seven notes, musical scale

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This is a sentence of the lesson «Magnets, compasses and big Earth facts» of the myths 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 (rainbow, Isaac), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:myths:017-magnets-compasses-and-big-earth-facts.lesson:18
# text = A rainbow is a smooth spread of countless colours; Isaac Newton chose to name seven, partly to match the seven notes of a musical scale.
# source = school lesson (ours)
# course = myths
# lesson = 017-magnets-compasses-and-big-earth-facts.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
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	rainbow	rainbow	NOUN	NN	Number=Sing	6	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	smooth	smooth	ADJ	JJ	Degree=Pos	6	amod	_	_
6	spread	spread	NOUN	NN	Number=Sing	0	root	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	countless	countless	ADJ	JJ	Degree=Pos	9	amod	_	_
9	colours	colour	NOUN	NNS	Number=Plur	6	nmod	_	_
10	;	;	PUNCT	,	_	13	punct	_	_
11	Isaac	Isaac	PROPN	NNP	Number=Sing	13	nsubj	_	_
12	Newton	Newton	PROPN	NNP	Number=Sing	11	flat	_	_
13	chose	choose	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	parataxis	_	Agree=R7-rel-agree|Haiku=6:conj
14	to	to	PART	TO	_	15	mark	_	_
15	name	name	VERB	VB	VerbForm=Inf	13	xcomp	_	_
16	seven	seven	NUM	CD	NumForm=Word|NumType=Card	15	obj	_	_
17	,	,	PUNCT	,	_	20	punct	_	_
18	partly	partly	ADV	RB	_	20	advmod	_	_
19	to	to	PART	TO	_	20	mark	_	_
20	match	match	VERB	VB	VerbForm=Inf	13	advcl	_	_
21	the	the	DET	DT	Definite=Def|PronType=Art	23	det	_	_
22	seven	seven	NUM	CD	NumForm=Word|NumType=Card	23	nummod	_	_
23	notes	note	NOUN	NNS	Number=Plur	20	obj	_	_
24	of	of	ADP	IN	_	27	case	_	_
25	a	a	DET	DT	Definite=Ind|PronType=Art	27	det	_	_
26	musical	musical	ADJ	JJ	Degree=Pos	27	amod	_	_
27	scale	scale	NOUN	NN	Number=Sing	23	nmod	_	_
28	.	.	PUNCT	.	_	6	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 | a rainbow | a smooth spread |  |  |  | of countless colours | tree rules |
| 2 | **choose** | past | Isaac |  |  |  |  |  | tree rules |
| 3 | **name** | to-infinitive | Isaac *not said here* | seven |  |  |  |  | vn appoint-29.1 «NP V NP»: agent=Agent seven=Theme |
| 4 | **match** | to-infinitive | Isaac *not said here* | the seven notes of a musical scale |  |  |  | partly *property* | vn amalgamate-22.2-1 «NP V NP»: agent=Agent note=Patient |
| 5 | **note** |  |  | a musical scale |  |  |  |  | nom note «communication transitive»: of=patient |

<!-- .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:myths:017-magnets-compasses-and-big-earth-facts.lesson:18`.

**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. **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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