---
title: Why do we know so little about Uranus and Neptune? — Uranus and Neptune · tree and pragmatics
description: Why do we know so little about Uranus and Neptune? Test 8 · ★ of lesson 14 «Uranus and Neptune» of the space course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 8 · ★ · Uranus and Neptune

<!-- .ven lang=en -->
Why do we know so little about Uranus and Neptune?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** we · **What happens:** know · **To what, where:** little Uranus

<!-- .vabout -->
This is test 8 · ★ of lesson 14 «Uranus and Neptune» of the space course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/space/14-uranus-and-neptune/#t8).

## The question {#question}

```conllu
# sent_id = question:space:14-uranus-and-neptune:t8:1
# text = Why do we know so little about Uranus and Neptune?
1	Why	why	ADV	WRB	PronType=Int	4	advmod	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	4	nsubj	_	_
4	know	know	VERB	VB	VerbForm=Inf	0	root	_	_
5	so	so	ADV	RB	_	6	advmod	_	_
6	little	little	ADJ	JJ	Degree=Pos	8	amod	_	_
7	about	about	ADP	IN	_	8	case	_	_
8	Uranus	Uranus	PROPN	NNP	Number=Sing	4	obj	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	Neptune	Neptune	PROPN	NNP	Number=Sing	8	conj	_	SpaceAfter=No
11	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **know** | present · do-support | we | little Uranus and Neptune |  |  |  |  | vn comprehend-87.2-1-1-1 «NP V NP PP.attribute»: agent=Experiencer uranus=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.

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Only one spacecraft has ever visited them

```conllu
# sent_id = question:space:14-uranus-and-neptune:t8:o1:1
# text = Only one spacecraft has ever visited them
1	Only	only	ADV	RB	_	2	advmod	_	_
2	one	one	NUM	CD	NumForm=Word|NumType=Card	3	nummod	_	_
3	spacecraft	spacecraft	NOUN	NN	Number=Sing	6	nsubj	_	_
4	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux	_	_
5	ever	ever	ADV	RB	PronType=Ind	6	advmod	_	_
6	visited	visit	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	_
7	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **visit** | present · perfect | one spacecraft | them *= they* |  |  | ever |  | vn meet-36.3-1 «NP V NP»: agent=Agent they=Co-Agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
They were only discovered last year

```conllu
# sent_id = question:space:14-uranus-and-neptune:t8:o2:1
# text = They were only discovered last year
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	4	nsubj:pass	_	_
2	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	4	aux:pass	_	_
3	only	only	ADV	RB	_	4	advmod	_	_
4	discovered	discover	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	last	last	ADJ	JJ	Degree=Pos	6	amod	_	_
6	year	year	NOUN	NN	Number=Sing	4	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **discover** | past · passive |  | They |  |  | year |  | vn discover-84-1 «NP V NP»: subject=Topic |

### Option 3 {#o3}

<!-- .ven lang=en -->
They are hidden behind the Sun

```conllu
# sent_id = question:space:14-uranus-and-neptune:t8:o3:1
# text = They are hidden behind the Sun
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	hidden	hide	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	behind	behind	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	Sun	Sun	PROPN	NNP	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hide** | present · passive |  | They |  | the Sun |  |  | vn concealment-16-1 «NP V NP PP.location»: subject=Patient behind sun=Location |

### Option 4 {#o4}

<!-- .ven lang=en -->
No telescope on Earth has ever been able to see them

```conllu
# sent_id = question:space:14-uranus-and-neptune:t8:o4:1
# text = No telescope on Earth has ever been able to see them
1	No	no	DET	DT	PronType=Neg	2	det	_	_
2	telescope	telescope	NOUN	NN	Number=Sing	8	nsubj	_	_
3	on	on	ADP	IN	_	4	case	_	_
4	Earth	Earth	PROPN	NNP	Number=Sing	2	nmod	_	_
5	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	aux	_	_
6	ever	ever	ADV	RB	PronType=Ind	8	advmod	_	_
7	been	be	AUX	VBN	Tense=Past|VerbForm=Part	8	cop	_	_
8	able	able	ADJ	JJ	Degree=Pos	0	root	_	_
9	to	to	PART	TO	_	10	mark	_	_
10	see	see	VERB	VB	VerbForm=Inf	8	xcomp	_	_
11	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	10	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present · perfect | no telescope on Earth |  |  |  | ever | able *property* | tree rules |
| 2 | **see** | to-infinitive | no telescope on Earth *not said here* | them *= they* |  |  |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer they=Stimulus |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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- ← previous: [Uranus and Neptune, test 7](https://md.mova.elamur.ai/free/en/corpora/questions/space/14-uranus-and-neptune/t7/)
- next →: [Uranus and Neptune, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/space/14-uranus-and-neptune/t9/)
- ↑ back to [Uranus and Neptune](https://md.mova.elamur.ai/free/en/corpora/questions/space/14-uranus-and-neptune/)