(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[0.00]PW[white]PB[black]AW[da][cb][eb][gb][cc][ec][gc][hc][dd][ee]AB[ba][ca][bb][hb][ib][bc][ic][cd][fd][hd][id][ce][ge][df][ef][ff][gf](;B[];W[fe]C[Can black kill ,get a Ko or white is alive ?](;B[gd];W[ed]C[white is alive])(;B[dc];W[db];B[ed];W[fc]LB[fa:A][gd:B]C[white is alive because A and B are miai])(;B[fa](;W[ga];B[dc];W[db];B[ed]C[white is dead])(;W[gd];B[db](;W[dc];B[ea]C[Ko];W[ga];B[db])(;W[ea];B[dc];W[ga];B[ed];W[fc];B[ed]C[white is dead]))))(;B[dc]C[black can easily kill white];W[db];B[ed]))