---
title: The pupil, the dark hole in the middle of your eye, grows bigger in… — Lenses and eyes · tree and pragmatics
description: The pupil, the dark hole in the middle of your eye, grows bigger in the dark and smaller in bright light. Who acts: pupil. A sentence of the lesson «Lenses and eyes» of the physics course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Lenses and eyes, sentence 8

<!-- .ven lang=en -->
The pupil, the dark hole in the middle of your eye, grows bigger in the dark and smaller in bright light.

<!-- .vintro -->
**Who acts:** pupil · **What happens:** grow

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This is a sentence of the lesson «Lenses and eyes» of the physics 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 (pupil), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:022-lenses-and-eyes.lesson:8
# text = The pupil, the dark hole in the middle of your eye, grows bigger in the dark and smaller in bright light.
# source = school lesson (ours)
# course = physics
# lesson = 022-lenses-and-eyes.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): no change
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	pupil	pupil	NOUN	NN	Number=Sing	14	nsubj	_	_
3	,	,	PUNCT	,	_	6	punct	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
5	dark	dark	ADJ	JJ	Degree=Pos	6	amod	_	_
6	hole	hole	NOUN	NN	Number=Sing	2	appos	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	middle	middle	NOUN	NN	Number=Sing	6	nmod	_	_
10	of	of	ADP	IN	_	12	case	_	_
11	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	12	nmod:poss	_	_
12	eye	eye	NOUN	NN	Number=Sing	9	nmod	_	_
13	,	,	PUNCT	,	_	2	punct	_	_
14	grows	grow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
15	bigger	big	ADJ	JJR	Degree=Cmp	14	xcomp	_	_
16	in	in	ADP	IN	_	18	case	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
18	dark	dark	NOUN	NN	Number=Sing	15	obl	_	_
19	and	and	CCONJ	CC	_	20	cc	_	_
20	smaller	small	ADJ	JJR	Degree=Cmp	15	conj	_	_
21	in	in	ADP	IN	_	23	case	_	_
22	bright	bright	ADJ	JJ	Degree=Pos	23	amod	_	_
23	light	light	NOUN	NN	Number=Sing	20	obl	_	_
24	.	.	PUNCT	.	_	14	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 | **grow** | present | the pupil |  |  |  |  | big *property* | vn appear-48.1.1 «NP V»: agent=Theme |

<!-- .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:physics:022-lenses-and-eyes.lesson:8`.

**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): no change. **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: [Lenses and eyes, 7](https://md.mova.elamur.ai/free/en/corpora/school/physics/22-lenses-and-eyes/7/)
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