ID test
PO	A	C	G	U
0	0.0	0.0	1.0	0.0
1	0.0	1.0	0.0	0.0
2	1.0	0.0	0.0	0.0
3	0.0	0.164616461646	0.0	0.835383538354
4	0.0	0.0	1.0	0.0