---
title: Later sailors learned that lemons and limes prevent scurvy, because… — Explorers: Magellan around the world, and the pe… · tree and pragmatics
description: Later sailors learned that lemons and limes prevent scurvy, because they contain vitamin C. Who acts: sailors, lemons. A sentence of the lesson «Explorers: Magellan around the world, and the people already there» of the history course of Mova's primary school with its dependency tree and the pragmat
---

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# Explorers: Magellan around the world, and the people already there, sentence 8

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Later sailors learned that lemons and limes prevent scurvy, because they contain vitamin C.

<!-- .vintro -->
**Who acts:** sailors, lemons · **What happens:** learn, prevent, contain · **To what, where:** scurvy, vitamin C. · **Speech:** someone speaks here

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This is a sentence of the lesson «Explorers: Magellan around the world, and the people already there» of the history 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 (sailors, lemons), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:history:027-explorers-magellan-around-the-world-and-the-people-already-there.lesson:8
# text = Later sailors learned that lemons and limes prevent scurvy, because they contain vitamin C.
# source = school lesson (ours)
# course = history
# lesson = 027-explorers-magellan-around-the-world-and-the-people-already-there.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	Later	late	ADV	RBR	Degree=Cmp	3	advmod	_	_
2	sailors	sailor	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	learned	learn	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	that	that	SCONJ	IN	_	8	mark	_	_
5	lemons	lemon	NOUN	NNS	Number=Plur	8	nsubj	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	limes	lime	NOUN	NNS	Number=Plur	5	conj	_	_
8	prevent	prevent	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	ccomp	_	_
9	scurvy	scurvy	NOUN	NN	Number=Sing	8	obj	_	_
10	,	,	PUNCT	,	_	13	punct	_	_
11	because	because	SCONJ	IN	_	13	mark	_	_
12	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	13	nsubj	_	_
13	contain	contain	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	advcl	_	_
14	vitamin	vitamin	NOUN	NN	Number=Sing	15	compound	_	_
15	C.	c.	NOUN	NN	Number=Sing	13	obj	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
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 | **learn** | past | sailors |  |  |  |  | late *property* | vn learn-14-2-1 «NP V that S»: agent=Agent clause=Topic |
| 2 | **prevent** | present | lemons and limes | scurvy |  |  |  |  | vn forbid-64.4-1 «NP V NP»: agent=Causer scurvy=Theme |
| 3 | **contain** | present | lemons *= lemon* | vitamin C. |  |  |  |  | vn comprise-107.2-2 «NP V NP»: agent=Pivot c.=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:history:027-explorers-magellan-around-the-world-and-the-people-already-there.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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