For one thing is clear:
1	For	for	SCONJ	CS	_	5	mark	_	_
2	one	one	NUM	N	NumType=Card	3	nummod	_	_
3	thing	thing	NOUN	S	Number=Sing	5	nsubj	_	_
4	is	be	AUX	V	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
5	clear	clear	ADJ	A	Degree=Pos	0	root	_	SpaceAfter=No
6	:	:	PUNCT	FC	_	5	punct	_	_
