---
title: A crocodile's eyes, ears and nostrils are on top of its head, and a… — Crocodiles and alligators · tree and pragmatics
description: A crocodile's eyes, ears and nostrils are on top of its head, and a clear third eyelid protects its eyes under water like goggles. Who acts: eyes, clear third eyelid. A sentence of the lesson «Crocodiles and alligators» of the biology course of Mova's primary school with its dependency tree and the 
---

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# Crocodiles and alligators, sentence 7

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A crocodile's eyes, ears and nostrils are on top of its head, and a clear third eyelid protects its eyes under water like goggles.

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**Who acts:** eyes, clear third eyelid · **What happens:** be, protect · **To what, where:** top, eyes, water

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This is a sentence of the lesson «Crocodiles and alligators» of the biology 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 (eyes, clear third eyelid), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:029-crocodiles-and-alligators.lesson:7
# text = A crocodile's eyes, ears and nostrils are on top of its head, and a clear third eyelid protects its eyes under water like goggles.
# source = school lesson (ours)
# course = biology
# lesson = 029-crocodiles-and-alligators.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	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	crocodile	crocodile	NOUN	NN	Number=Sing	4	nmod:poss	_	_
3	's	's	PART	POS	_	2	case	_	_
4	eyes	eye	NOUN	NNS	Number=Plur	11	nsubj	_	_
5	,	,	PUNCT	,	_	6	punct	_	_
6	ears	ear	NOUN	NNS	Number=Plur	4	conj	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	nostrils	nostril	NOUN	NNS	Number=Plur	4	conj	_	_
9	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	11	cop	_	_
10	on	on	ADP	IN	_	11	case	_	_
11	top	top	NOUN	NN	Number=Sing	0	root	_	_
12	of	of	ADP	IN	_	14	case	_	_
13	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	14	nmod:poss	_	_
14	head	head	NOUN	NN	Number=Sing	11	nmod	_	_
15	,	,	PUNCT	,	_	21	punct	_	_
16	and	and	CCONJ	CC	_	21	cc	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	_	_
18	clear	clear	ADJ	JJ	Degree=Pos	20	amod	_	_
19	third	third	ADJ	JJ	Degree=Pos|NumForm=Word|NumType=Ord	20	amod	_	_
20	eyelid	eyelid	NOUN	NN	Number=Sing	21	nsubj	_	_
21	protects	protect	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	conj	_	_
22	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	23	nmod:poss	_	_
23	eyes	eye	NOUN	NNS	Number=Plur	21	obj	_	_
24	under	under	ADP	IN	_	25	case	_	_
25	water	water	NOUN	NN	Number=Sing	21	obl	_	_
26	like	like	ADP	IN	_	27	case	_	_
27	goggles	goggle	NOUN	NNS	Number=Plur	25	nmod	_	_
28	.	.	PUNCT	.	_	11	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 | **is** | present | a crocodile's eyes and ears and nostrils |  |  | top |  | of top's head | tree rules |
| 2 | **protect** | present | a clear third eyelid | eyelid's eyes |  | water like goggles |  |  | vn defend-72.3 «NP V NP»: agent=Agent eye=Beneficiary |

<!-- .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:biology:029-crocodiles-and-alligators.lesson:7`.

**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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