,A,B,C,D,E
contract_1,1,0,1,1,1
contract_2,0,1,0,1,0
contract_3,1,0,0,0,0
contract_4,0,1,1,1,1
contract_5,0,1,0,1,0
contract_6,1,1,0,1,1
contract_7,0,1,1,0,0
contract_8,0,1,0,0,0
contract_9,1,0,0,1,1
contract_10,1,1,0,0,0
contract_11,1,0,0,1,0
contract_12,1,1,1,0,0