---
title: Rare items in loot boxes are made rare on purpose, so that people ke… — Loot boxes and the surprise trap · tree and pragmatics
description: Rare items in loot boxes are made rare on purpose, so that people keep buying. Who acts: people. A sentence of the lesson «Loot boxes and the surprise trap» of the everyday course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Loot boxes and the surprise trap, sentence 26

<!-- .ven lang=en -->
Rare items in loot boxes are made rare on purpose, so that people keep buying.

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**Who acts:** people · **What happens:** make, keep, buy · **To what, where:** Rare items, purpose

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This is a sentence of the lesson «Loot boxes and the surprise trap» of the everyday 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 (people), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:413-loot-boxes-and-the-surprise-trap.lesson:26
# text = Rare items in loot boxes are made rare on purpose, so that people keep buying.
# source = school lesson (ours)
# course = everyday
# lesson = 413-loot-boxes-and-the-surprise-trap.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	Rare	rare	ADJ	JJ	Degree=Pos	2	amod	_	_
2	items	item	NOUN	NNS	Number=Plur	7	nsubj:pass	_	_
3	in	in	ADP	IN	_	5	case	_	_
4	loot	loot	NOUN	NN	Number=Sing	5	compound	_	_
5	boxes	box	NOUN	NNS	Number=Plur	2	nmod	_	_
6	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	aux:pass	_	_
7	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
8	rare	rare	ADJ	JJ	Degree=Pos	7	xcomp	_	_
9	on	on	ADP	IN	_	10	case	_	_
10	purpose	purpose	NOUN	NN	Number=Sing	7	obl	_	Agree=R5-strong|Haiku=8:obl
11	,	,	PUNCT	,	_	15	punct	_	_
12	so	so	SCONJ	IN	_	15	mark	_	Agree=R7-rel-agree|Haiku=15:advmod|HaikuPos=ADV:RB:_
13	that	that	SCONJ	IN	_	15	mark	_	_
14	people	people	NOUN	NNS	Number=Plur	15	nsubj	_	_
15	keep	keep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	advcl	_	_
16	buying	buy	VERB	VBG	VerbForm=Ger	15	xcomp	_	_
17	.	.	PUNCT	.	_	7	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 | **make** | present · passive |  | Rare items in loot boxes |  | purpose |  | rare *property* | vn build-26.1-1 «NP.asset V NP»: subject=Product |
| 2 | **keep** | present | people |  |  |  |  |  | tree rules |
| 3 | **buy** | gerund | people *not said here* |  |  |  |  |  | vn accept-77.1 «NP V how S»: agent=Agent |

<!-- .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:everyday:413-loot-boxes-and-the-surprise-trap.lesson:26`.

**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: [Loot boxes and the surprise trap, 24](https://md.mova.elamur.ai/free/en/corpora/school/everyday/413-loot-boxes-and-the-surprise-trap/24/)
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