It can be a very complicated thing, the ocean.
1	It	it	PRON	PE	Number=Sing|Person=3|PronType=Prs	7	nsubj	_	_
2	can	can	AUX	VM	Mood=Ind|Person=3|Tense=Pres|VerbForm=Fin	7	aux	_	_
3	be	be	AUX	V	VerbForm=Inf	7	cop	_	_
4	a	a	DET	RI	Definite=Ind|Number=Sing|PronType=Art	7	det	_	_
5	very	very	ADV	B	_	6	advmod	_	_
6	complicated	complicated	ADJ	A	Degree=Pos	7	amod	_	_
7	thing	thing	NOUN	S	Number=Sing	0	root	_	SpaceAfter=No
8	,	,	PUNCT	FF	_	7	punct	_	_
9	the	the	DET	RD	Definite=Def|PronType=Art	10	det	_	_
10	ocean	ocean	NOUN	S	Number=Sing	7	dislocated	_	SpaceAfter=No
11	.	.	PUNCT	FS	_	7	punct	_	_
