ID test
PO	A	C	G	U
0	1.0	0.0	0.0	0.0
1	0.0	0.0	0.0	1.0
2	0.0	0.0	0.0	1.0
3	1.0	0.0	0.0	0.0
4	0.475647564756	0.524352435244	0.0	0.0