(;AB[qq]AW[pp]AW[qo]AB[rp]AB[pq]AW[oq]AW[or]AW[ro]AW[so]AB[sp]AB[rr]AW[pr]AW[qs]AW[sr]AB[rs]C[Can black live? Hit 'N' if not.]LB[nn:N]AP[goproblems]
(;B[qp]
(;W[sq]C[Black is dead.])
(;W[qr]))
(;B[rq]C[Black is dead.])
(;B[qr]
(;W[qp]C[Black is dead.CHOICE])
(;W[sq]C[Black is dead.CHOICE]))
(;B[ss]
(;W[qr]C[CHOICE];B[sq];W[qp]C[Black is dead.])
(;W[sq]C[Black is dead.CHOICE]))
(;B[sq];W[qp];B[ss];W[qr]C[Black is dead.])
(;B[nn]C[RIGHT]))