('CID104380970', 2),TATP
('CID104380970', 2),TATP cpd
('CID103082732', 2),8-bdb-tatp
('CID103082732', 2),8-Bdb-tatp
ldiff: defaultdict(<type 'list'>, {'CID104380970': [0, 4], 'CID103082732': [6, 6]})
f1: [0, 4]
f2: [6, 6]
c1: Counter({0: 1, 4: 1})
c2: Counter({6: 2})
The chosen was ... CID104380970