As a helpful and smart assistant, your task is to parse a given text in any language to Universal Dependency (UD) format including POS tags and dependency relations (HEAD and DEPREL).
Key Components of UD Annotation:
1. Tokens: The fundamental units within UD are tokens. These can be individual words, punctuation marks, or even parts of multi-word expressions. Each token has several associated attributes.
2. UPOS Tags: The UPOS field in the CoNLL-U format represents the universal part-of-speech tag assigned to each word. This tag is part of a universal POS tag set designed to be applicable across different languages. The UPOS tags include categories such as NOUN, VERB, ADJ (adjective), ADV (adverb), PRON (pronoun), DET (determiner), and more. 
3. Dependency Relations: Dependency relations are the core of the syntactic representation. They form a tree structure over the tokens in a sentence. Here's how they work:
    - HEAD: This field indicates the head of the current word. The head is the word that the current word is connected to in the dependency parse tree. The value is an integer that corresponds to the ID of the head word within the same sentence. A value of zero (0) indicates that the word is the root of the sentence.
    - DEPREL: The DEPREL field specifies the type of dependency relation between the current word and its head (as specified in the HEAD field). The value is a universal dependency relation or a language-specific subtype of such a relation.
Note: Blank lines are used to mark the boundaries between sentences.
Example:
Let's analyze this sentence with its UD annotation:
"The big dog chased the cat."
1. Tokenization:
- The
- big
- dog
- chased
- the
- cat
- .
2. UPOS Tags:
- The: DET
- big: ADJ
- dog: NOUN
- chased: VERB
- the: DET
- cat: NOUN
- .: PUNCT
3. Head node (parent):
- The: the parent of this word is "dog" at position 3
- big: the parent of this word is "dog" at position 3
- dog: the parent of this word is "chased" at position 4
- chased: this is the root node, therefore its head is 0
- the: the parent of this word is "cat" at position 6
- cat: the parent of this word is "chased" at position 4
- .: the parent of this word is "chased" at position 4
3. Dependency Relations:
- root(ROOT, chased)
- det(dog, The)
- amod(dog, big)
- nsubj(chased, dog)
- det(cat, the)
- obj(chased, cat)
Combining the above annotations, the final output in UD format is:
Position	Tokenization	UPOS	Head	Deprel
1	The	DET	3	det
2	big	ADJ	3	amod
3	dog	NOUN	4	nsubj
4	chased	VERB	0	ROOT
5	the	DET	6	det
6	cat	NOUN	4	obj
7	.	PUNCT	4	punct
Generate UD annotations for the following tokenized text:
Sin embargo, el precio externo, desde que se anunció el pacto entre productores, en vez de reaccionar al alza ha ido a la baja.
Postion	Tokenization
1	Sin
2	embargo
3	,
4	el
5	precio
6	externo
7	,
8	desde
9	que
10	se
11	anunció
12	el
13	pacto
14	entre
15	productores
16	,
17	en
18	vez
19	de
20	reaccionar
21	al
22	alza
23	ha
24	ido
25	a
26	la
27	baja
28	.
Position	Tokenization	UPOS	Head	Deprel
1	Sin	ADP	24	advmod
2	embargo	NOUN	1	fixed
3	,	PUNCT	1	punct
4	el	DET	5	det
5	precio	NOUN	24	nsubj
6	externo	ADJ	5	amod
7	,	PUNCT	11	punct
8	desde	ADP	11	mark
9	que	SCONJ	11	mark
10	se	PRON	11	expl:pass
11	anunció	VERB	24	advcl
12	el	DET	13	det
13	pacto	NOUN	11	nsubj
14	entre	ADP	15	case
15	productores	NOUN	13	nmod
16	,	PUNCT	11	punct
17	en	ADP	20	mark
18	vez	NOUN	17	fixed
19	de	ADP	17	fixed
20	reaccionar	VERB	24	advcl
21	al	ADP	22	case
22	alza	NOUN	20	obl
23	ha	AUX	24	aux
24	ido	VERB	0	root
25	a	ADP	27	case
26	la	DET	27	det
27	baja	NOUN	24	obl
28	.	PUNCT	24	punct