It was a no brainer really.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	5:nsubj	_
2	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	cop	5:cop	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	5:det	_
4	no	no	NOUN	NN	Number=Sing	5	compound	5:compound	_
5	brainer	brainer	NOUN	NN	Number=Sing	0	root	0:root	_
6	really	really	ADV	RB	_	5	advmod	5:advmod	SpaceAfter=No
7	.	.	PUNCT	.	_	5	punct	5:punct	_
