I am serious about doing something.
1	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	3	nsubj	3:nsubj	_
2	am	be	AUX	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	3	cop	3:cop	_
3	serious	serious	ADJ	JJ	Degree=Pos	0	root	0:root	_
4	about	about	SCONJ	IN	_	5	mark	5:mark	_
5	doing	do	VERB	VBG	VerbForm=Ger	3	advcl	3:advcl:about	_
6	something	something	PRON	NN	Number=Sing|PronType=Ind	5	obj	5:obj	SpaceAfter=No
7	.	.	PUNCT	.	_	3	punct	3:punct	_
