id,Ground truth 2100,bug fix 2,code refactoring 292,code refactoring 65,maintenance/other 2122,bug fix 325,bug fix 2278,feature addition 2218,bug fix 320,maintenance/other 96,maintenance/other 52,maintenance/other 181,code refactoring 219,maintenance/other 2300,maintenance/other 2308,maintenance/other 34,bug fix 120,maintenance/other 2215,bug fix 2104,bug fix 2290,maintenance/other 2279,Not enough inforamtion 270,maintenance/other 2151,maintenance/other 2078,maintenance/other 63,maintenance/other 130,maintenance/other 2066,code refactoring 2289,bug fix 2168,feature addition 165,feature addition 185,maintenance/other 275,feature addition 233,maintenance/other 95,maintenance/other 362,bug fix 272,maintenance/other 315,maintenance/other 118,code refactoring 138,code refactoring 2242,maintenance/other 319,Not enough inforamtion 2152,maintenance/other 201,maintenance/other 2177,feature addition 331,maintenance/other 290,code refactoring 2109,feature addition 405,maintenance/other 182,code refactoring 2188,code refactoring 260,code refactoring 295,Not enough inforamtion 305,feature addition 2217,code refactoring 2165,code refactoring 184,maintenance/other 411,feature addition 231,maintenance/other 2324,maintenance/other 2079,code refactoring 170,feature addition 356,maintenance/other 2222,maintenance/other 2095,code refactoring 119,code refactoring 153,code refactoring 2273,bug fix 370,feature addition 2259,maintenance/other 204,code refactoring 218,maintenance/other 127,feature addition 75,maintenance/other 213,code refactoring 152,Not enough inforamtion 2212,code refactoring 2200,maintenance/other 322,maintenance/other 2232,maintenance/other 2064,maintenance/other 191,code refactoring 280,maintenance/other 85,maintenance/other 345,maintenance/other 113,code refactoring 381,maintenance/other 2209,feature addition 2246,feature addition 2160,code refactoring 2134,"code refactoring, feature addition" 116,code refactoring 17,maintenance/other 2163,feature addition 415,maintenance/other 279,maintenance/other 13,code refactoring 24,bug fix 2153,maintenance/other 125,bug fix 306,bug fix 190,code refactoring 390,"feature addition, code refactoring" 2141,"code refactoring, feature addition"