(;AB[aq]AB[ap]AB[br]AB[cq]AB[dq]AB[dp]AB[dr]AB[ds]AB[bo]AB[bn]AB[dm]AB[fo]AB[fp]AB[fr]AB[gr]AB[hp]AW[bs]AW[bq]AW[bp]AW[cp]AW[co]AW[do]AW[eo]AW[ep]AW[eq]AW[er]AW[es]LB[jp:A]LB[jq:B]LB[jr:C]AB[bl]AW[cm]AB[cj]AW[cl]AB[am]AW[bk]AB[aj]AB[bi]AW[bj]AB[ai]AW[ci]AB[dj]AB[fn]AB[dl]AB[ej]AB[fk]TR[es]TR[er]TR[eq]TR[ep]TR[eo]TR[do]TR[co]TR[cp]TR[bp]TR[bq]TR[bs]C[Black to play. What is the status of the marked white group? A) White lives... B) White has a ko for life... C) White is dead...]AW[ak]AB[ao]AP[goproblems]
(;B[jp])
(;B[jq])
(;B[jr];W[kr]C[now kill white...];B[ar]
(;W[ck];B[cn];W[cr];B[cs];W[cr];B[dq];W[cs];B[dr];W[dn];B[ch]C[RIGHT]))
(;B[ar]C[NOTTHIS])
(;B[as]C[NOTTHIS])
(;B[cr]C[NOTTHIS])
(;B[cs]C[NOTTHIS])
(;B[cn]C[NOTTHIS])
(;B[dn]C[NOTTHIS])
(;B[en]C[NOTTHIS])
(;B[bm]C[NOTTHIS]))