(;AW[qb]AW[qd]AW[rf]AB[oa]AB[ob]AB[oc]AB[od]AB[oe]AB[of]AB[rh]AB[qh]AB[ph]AB[og]C[Kill]AP[goproblems]
(;B[re];W[qe];B[rc];W[qc];B[rd];W[qf]
(;B[ra]
(;W[qa]C[CHOICE]
(;B[se];W[sf];B[rb]C[RIGHT])
(;B[rb];W[se];B[sd];W[sb];B[sf];W[sg];B[rg]C[Just a ko.]))
(;W[rb];B[qa]C[RIGHT]))
(;B[rb];W[ra]C[White has more liberties.]))
(;B[rc];W[qc];B[re];W[rd];B[qe];W[rb];B[qa];W[ra];B[sc];W[sb])
(;B[qa];W[ra];B[rb];W[pa];B[rc];W[qc];B[rd];W[re];B[sf];W[sb])
(;B[rd];W[rc];B[re];W[qe])
(;B[ra];W[qa];B[rc];W[qc];B[re];W[rd];B[qe];W[rb])
(;B[rb];W[ra]
(;B[qc];W[rc];B[rd];W[sb])
(;B[rc];W[qc];B[re];W[rd]
(;B[sb];W[qe])
(;B[qe];W[sb]))
(;B[re];W[rc];B[sb];W[qe];B[sf];W[se];B[sd]
(;W[sc];B[se];W[rd];B[sg];W[pc];B[pb];W[pd];B[qa];W[sa])
(;W[rd];B[sc];W[sg])))
(;B[qc];W[rc];B[pc];W[rb];B[re];W[qe])
(;B[qe];W[re]))