(;AB[ae]AB[be]AB[ce]AB[dd]AB[ed]AB[fd]AB[fc]AB[fb]AB[fa]AB[bc]AW[bd]AW[bb]AW[cb]AW[dc]AW[ec]AW[eb]AW[ea]C[Kill it ! (White will waste his ko threats)]AP[goproblems]
(;B[ab]
(;W[da];B[ba];W[cc];B[ac];W[cd];B[ad]C[good jobCHOICERIGHT])
(;W[cc];B[ac];W[da];B[ba]C[CHOICE];W[cd];B[ad]C[good jobCHOICERIGHT])
(;W[cd]
(;B[ad];W[cc];B[ac]
(;W[ba];B[da]C[good jobCHOICERIGHT])
(;W[da];B[ba]C[good jobCHOICERIGHT]))
(;B[ac];W[cc];B[ad]
(;W[da];B[ba]C[good jobCHOICERIGHT])
(;W[ba];B[da]C[good jobCHOICERIGHT])))
(;W[ba];B[da];W[cc];B[ac];W[cd];B[ad]C[good jobCHOICERIGHT]))
(;B[da];W[cc]
(;B[ac];W[ab];B[ad];W[ca]C[wrong])
(;B[ab];W[ac];B[cd];W[aa]C[wrong]))
(;B[ca];W[cc]
(;B[ab];W[ac];B[cd];W[aa]C[wrong])
(;B[ac];W[ab]
(;B[da];W[ad])
(;B[ad];W[cd]
(;B[da];W[ba])
(;B[ba];W[da])))
(;B[da];W[ac])
(;B[ba];W[ac]))
(;B[db];W[da])
(;B[ba];W[cc]
(;B[ac];W[ab];B[ad];W[cd])
(;B[da];W[ac])
(;B[ca];W[ac])
(;B[ab];W[ac];B[cd];W[bc]))
(;B[aa];W[cc]
(;B[ac];W[ab];B[ad])
(;B[da];W[ac])
(;B[ca];W[ac]))
(;B[ac];W[ab];B[ca];W[cc]
(;B[da];W[ad])
(;B[ad];W[cd]
(;B[da];W[ba])
(;B[ba];W[da])))
(;B[cc];W[ac];B[cd];W[da])
(;B[ad];W[ab]
(;B[cc];W[da])
(;B[ca];W[da];B[cc];W[ba]))
(;B[cd];W[ab];B[cc]))