---
title: For centuries alchemists tried to turn lead into gold; they failed,… — Famous discoveries told as stories · tree and pragmatics
description: For centuries alchemists tried to turn lead into gold; they failed, because chemistry cannot change one element into another, but they invented many lab tools and methods. Who acts: alchemists, chemistry. A sentence of the lesson «Famous discoveries told as stories» of the chemistry course of Mova's
---

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# Famous discoveries told as stories, sentence 13

<!-- .ven lang=en -->
For centuries alchemists tried to turn lead into gold; they failed, because chemistry cannot change one element into another, but they invented many lab tools and methods.

<!-- .vintro -->
**Who acts:** alchemists, chemistry · **What happens:** try, turn, fail, not change, invent · **To what, where:** lead, gold, one element, another, many lab tools

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This is a sentence of the lesson «Famous discoveries told as stories» of the chemistry 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 (alchemists, chemistry), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:035-famous-discoveries-stories.lesson:13
# text = For centuries alchemists tried to turn lead into gold; they failed, because chemistry cannot change one element into another, but they invented many lab tools and methods.
# source = school lesson (ours)
# course = chemistry
# lesson = 035-famous-discoveries-stories.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): R7-rel-agree ×2, R8-pos-agree ×1
1	For	for	ADP	IN	_	2	case	_	_
2	centuries	century	NOUN	NNS	Number=Plur	4	obl	_	_
3	alchemists	alchemist	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	tried	try	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	turn	turn	VERB	VB	VerbForm=Inf	4	xcomp	_	_
7	lead	lead	NOUN	NN	Number=Sing	6	obj	_	_
8	into	into	ADP	IN	_	9	case	_	_
9	gold	gold	NOUN	NN	Number=Sing	6	obl	_	_
10	;	;	PUNCT	,	_	12	punct	_	_
11	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	12	nsubj	_	_
12	failed	fail	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
13	,	,	PUNCT	,	_	18	punct	_	_
14	because	because	SCONJ	IN	_	18	mark	_	_
15	chemistry	chemistry	NOUN	NN	Number=Sing	18	nsubj	_	_
16	can	can	AUX	MD	VerbForm=Fin	18	aux	_	_
17	not	not	PART	RB	Polarity=Neg	18	advmod	_	_
18	change	change	VERB	VB	VerbForm=Inf	12	advcl	_	_
19	one	one	NUM	CD	NumForm=Word|NumType=Card	20	nummod	_	_
20	element	element	NOUN	NN	Number=Sing	18	obj	_	_
21	into	into	ADP	IN	_	22	case	_	_
22	another	another	DET	DT	PronType=Ind	18	obl	_	Agree=R8-pos-agree|Haiku=18:obl|HaikuPos=PRON:DT:PronType=Ind
23	,	,	PUNCT	,	_	26	punct	_	_
24	but	but	CCONJ	CC	_	26	cc	_	_
25	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	26	nsubj	_	_
26	invented	invent	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	4	conj	_	Agree=R7-rel-agree|Haiku=4:parataxis
27	many	many	ADJ	JJ	Degree=Pos	29	amod	_	_
28	lab	lab	NOUN	NN	Number=Sing	29	compound	_	_
29	tools	tool	NOUN	NNS	Number=Plur	26	obj	_	_
30	and	and	CCONJ	CC	_	31	cc	_	_
31	methods	method	NOUN	NNS	Number=Plur	29	conj	_	_
32	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **try** | past | alchemists |  |  |  | century |  | vn try-61.1 «NP V S\_INF»: agent=Agent clause=Eventuality |
| 2 | **turn** *not said to happen* | to-infinitive | alchemists *not said here* | lead |  | gold |  |  | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent lead=Theme into gold=Trajectory |
| 3 | **fail** | past | alchemists *= alchemist* |  |  |  |  |  | vn succeed-74-3-1-1 «NP V»: agent=Agent |
| 4 | **not** **change** | can | chemistry | one element |  |  |  | into another *result* | vn turn-26.6.1-1 «NP V NP.patient PP.result»: agent=Agent element=Patient into another=Result |
| 5 | **invent** | past | alchemists *= alchemist* | many lab tools and methods |  |  |  |  | vn create-26.4-1 «NP V NP»: agent=Agent tool=Result |

<!-- .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:chemistry:035-famous-discoveries-stories.lesson:13`.

**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): R7-rel-agree ×2, R8-pos-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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