('CID105159168', 2),Mant-ADP
('CID105159168', 2),MANT-ADP
('CID102826726', 1),Mant-ADP
ldiff: defaultdict(<type 'list'>, {'CID102826726': [0], 'CID105159168': [0, 0]})
f1: [0, 0]
f2: [0]
c1: Counter({0: 2})
c2: Counter({0: 1})
The chosen was ... CID105159168