---
title: Imagine one piece of a snake's backbone bigger than your fist. — Giant reptiles of the past: Titanoboa, Sarcosuch… · tree and pragmatics
description: Imagine one piece of a snake's backbone bigger than your fist. Who acts: you. A sentence of the lesson «Giant reptiles of the past: Titanoboa, Sarcosuchus, Deinosuchus and giant tortoises» of the biology course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Giant reptiles of the past: Titanoboa, Sarcosuchus, Deinosuchus and giant tortoises, sentence 0

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Imagine one piece of a snake's backbone bigger than your fist.

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**Who acts:** you · **What happens:** imagine · **To what, where:** one piece

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This is a sentence of the lesson «Giant reptiles of the past: Titanoboa, Sarcosuchus, Deinosuchus and giant tortoises» 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 (you), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:383-giant-reptiles-of-the-past-titanoboa-sarcosuchus-deinosuchus-and-giant-tortoises.lesson:0
# text = Imagine one piece of a snake's backbone bigger than your fist.
# source = school lesson (ours)
# course = biology
# lesson = 383-giant-reptiles-of-the-past-titanoboa-sarcosuchus-deinosuchus-and-giant-tortoises.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
1	Imagine	imagine	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	one	one	NUM	CD	NumForm=Word|NumType=Card	3	nummod	_	_
3	piece	piece	NOUN	NN	Number=Sing	1	obj	_	_
4	of	of	ADP	IN	_	8	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	snake	snake	NOUN	NN	Number=Sing	8	nmod:poss	_	_
7	's	's	PART	POS	_	6	case	_	_
8	backbone	backbone	NOUN	NN	Number=Sing	3	nmod	_	_
9	bigger	big	ADJ	JJR	Degree=Cmp	3	amod	_	Agree=R5-strong|Haiku=8:amod
10	than	than	ADP	IN	_	12	case	_	_
11	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	12	nmod:poss	_	_
12	fist	fist	NOUN	NN	Number=Sing	9	obl	_	_
13	.	.	PUNCT	.	_	1	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **imagine** | imperative | you *not said here* | one piece of a snake's backbone |  |  |  |  | vn wish-62 «NP V NP»: agent=Pivot piece=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:biology:383-giant-reptiles-of-the-past-titanoboa-sarcosuchus-deinosuchus-and-giant-tortoises.lesson:0`.

**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. **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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