---
title: In 2006 astronomers reclassified Pluto as a dwarf planet because it… — Pluto, the Kuiper belt, the Oort cloud and comets · tree and pragmatics
description: In 2006 astronomers reclassified Pluto as a dwarf planet because it has not cleared its orbit of other similar objects. Who acts: astronomers, astronomer. A sentence of the lesson «Pluto, the Kuiper belt, the Oort cloud and comets» of the space course of Mova's primary school with its dependency tre
---

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# Pluto, the Kuiper belt, the Oort cloud and comets, sentence 6

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In 2006 astronomers reclassified Pluto as a dwarf planet because it has not cleared its orbit of other similar objects.

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**Who acts:** astronomers, astronomer · **What happens:** reclassify, not clear · **To what, where:** 2006, orbit

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This is a sentence of the lesson «Pluto, the Kuiper belt, the Oort cloud and comets» of the space 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 (astronomers, astronomer), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:015-pluto-the-kuiper-belt-the-oort-cloud-and-comets.lesson:6
# text = In 2006 astronomers reclassified Pluto as a dwarf planet because it has not cleared its orbit of other similar objects.
# source = school lesson (ours)
# course = space
# lesson = 015-pluto-the-kuiper-belt-the-oort-cloud-and-comets.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	In	in	ADP	IN	_	3	case	_	_
2	2006	2006	NUM	CD	NumForm=Digit|NumType=Card	4	obl	_	Agree=R5-strong|Haiku=3:nummod
3	astronomers	astronomer	NOUN	NNS	Number=Plur	4	nsubj	_	Agree=R7-rel-agree|Haiku=4:obl
4	reclassified	reclassify	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
5	Pluto	Pluto	PROPN	NNP	Number=Sing	4	obj	_	_
6	as	as	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	dwarf	dwarf	ADJ	JJ	Degree=Pos	9	amod	_	_
9	planet	planet	NOUN	NN	Number=Sing	4	obl	_	_
10	because	because	SCONJ	IN	_	14	mark	_	_
11	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	nsubj	_	_
12	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	aux	_	_
13	not	not	PART	RB	Polarity=Neg	14	advmod	_	_
14	cleared	clear	VERB	VBN	Tense=Past|VerbForm=Part	4	advcl	_	_
15	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	16	nmod:poss	_	_
16	orbit	orbit	NOUN	NN	Number=Sing	14	obj	_	_
17	of	of	ADP	IN	_	20	case	_	_
18	other	other	ADJ	JJ	Degree=Pos	20	amod	_	_
19	similar	similar	ADJ	JJ	Degree=Pos	20	amod	_	_
20	objects	object	NOUN	NNS	Number=Plur	16	nmod	_	_
21	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reclassify** | past | astronomers | 2006 |  |  |  | as a dwarf planet *goal* | vn classify-29.10 «NP V NP PP.goal»: agent=Agent pluto=Theme as planet=Goal |
| 2 | **not** **clear** | present · perfect | astronomer | astronomer's orbit of other similar objects |  |  |  |  | vn clear-10.3-1 «NP V NP.source»: agent=Agent orbit=Source |

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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:space:015-pluto-the-kuiper-belt-the-oort-cloud-and-comets.lesson:6`.

**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: [Pluto, the Kuiper belt, the Oort cloud…, 5](https://md.mova.elamur.ai/free/en/corpora/school/space/15-pluto-the-kuiper-belt-the-oort-cloud-and-comets/5/)
- next →: [Pluto, the Kuiper belt, the Oort cloud…, 8](https://md.mova.elamur.ai/free/en/corpora/school/space/15-pluto-the-kuiper-belt-the-oort-cloud-and-comets/8/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/space/15-pluto-the-kuiper-belt-the-oort-cloud-and-comets/)

