('CID100174624', 2),3-methyl Ttnpb
('CID100174624', 2),3-Methyl TTNPB
('CID100005602', 2), TTNPB
('CID100005602', 2),TTNPB
ldiff: defaultdict(<type 'list'>, {'CID100174624': [9, 9], 'CID100005602': [1, 0]})
f1: [9, 9]
f2: [1, 0]
c1: Counter({9: 2})
c2: Counter({0: 1, 1: 1})
The chosen was  ... CID100005602