---
title: Astronauts walked on the Moon between 1969 and 1972 and left mirrors… — "It's on TikTok so it's true" and the comment se… · tree and pragmatics
description: Astronauts walked on the Moon between 1969 and 1972 and left mirrors there that scientists still bounce lasers off. Who acts: Astronauts. A sentence of the lesson «"It's on TikTok so it's true" and the comment section» of the world course of Mova's primary school with its dependency tree and the pra
---

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# "It's on TikTok so it's true" and the comment section, sentence 21

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Astronauts walked on the Moon between 1969 and 1972 and left mirrors there that scientists still bounce lasers off.

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**Who acts:** Astronauts · **What happens:** walk, leave · **To what, where:** Moon, mirrors

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This is a sentence of the lesson «"It's on TikTok so it's true" and the comment section» of the world 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 (Astronauts), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:175-its-on-tiktok-so-its-true-and-the-comment-section.lesson:21
# text = Astronauts walked on the Moon between 1969 and 1972 and left mirrors there that scientists still bounce lasers off.
# source = school lesson (ours)
# course = world
# lesson = 175-its-on-tiktok-so-its-true-and-the-comment-section.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 ×2
1	Astronauts	astronaut	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	walked	walk	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	on	on	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	Moon	Moon	PROPN	NNP	Number=Sing	2	obl	_	_
6	between	between	ADP	IN	_	7	case	_	_
7	1969	1969	NUM	CD	NumForm=Digit|NumType=Card	2	obl	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	1972	1972	NUM	CD	NumForm=Digit|NumType=Card	7	conj	_	_
10	and	and	CCONJ	CC	_	11	cc	_	_
11	left	leave	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	2	conj	_	_
12	mirrors	mirror	NOUN	NNS	Number=Plur	11	obj	_	_
13	there	there	ADV	RB	PronType=Dem	11	advmod	_	_
14	that	that	SCONJ	IN	_	15	mark	_	_
15	scientists	scientist	NOUN	NNS	Number=Plur	11	xcomp	_	_
16	still	still	ADV	RB	_	17	advmod	_	Agree=R5-strong|Haiku=18:advmod
17	bounce	bounce	NOUN	NN	Number=Sing	18	compound	_	_
18	lasers	laser	NOUN	NNS	Number=Plur	15	nmod	_	_
19	off	off	ADP	RP	_	17	compound:prt	_	Agree=R5-strong|Haiku=15:compound:prt
20	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- 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 | **walk** | past | Astronauts |  |  | the Moon |  | between 1969 | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme on moon=Trajectory |
| 2 | **leave** | past | Astronauts *not said here* | mirrors |  | there |  |  | vn keep-15.2 «NP V NP»: agent=Agent mirror=Theme |

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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:world:175-its-on-tiktok-so-its-true-and-the-comment-section.lesson:21`.

**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 ×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: ["It's on TikTok so it's true" and the…, 20](https://md.mova.elamur.ai/free/en/corpora/school/world/175-its-on-tiktok-so-its-true-and-the-comment-section/20/)
- next →: ["It's on TikTok so it's true" and the…, 22](https://md.mova.elamur.ai/free/en/corpora/school/world/175-its-on-tiktok-so-its-true-and-the-comment-section/22/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/175-its-on-tiktok-so-its-true-and-the-comment-section/)

