('CID105326713', 2),FEXARAMINE
('CID105326713', 2),Fexaramine
('CID105288210', 1),Fexaramine
ldiff: defaultdict(<type 'list'>, {'CID105326713': [0, 0], 'CID105288210': [0]})
f1: [0, 0]
f2: [0]
c1: Counter({0: 2})
c2: Counter({0: 1})
The chosen was ... CID105326713