('CID107503976', 2),Alphameprodine
('CID107503976', 2),ALPHAMEPRODINE
('CID100061118', 1),ALPHAMEPRODINE
ldiff: defaultdict(<type 'list'>, {'CID100061118': [0], 'CID107503976': [0, 0]})
f1: [0, 0]
f2: [0]
c1: Counter({0: 2})
c2: Counter({0: 1})
The chosen was ... CID107503976