(;SZ[19]AW[jg]AW[qc]AW[pe]AW[kg]AB[kh]AB[nb]AB[jg]AB[jg]AB[jg]AB[lh]MA[kg]LB[ph:A]C[If you can kill the marked stone, kill it. Otherwise play 'A']AW[jh]FF[4]GM[1]
(;B[kf];W[lg];B[mg];W[lf];B[le];W[mf];B[nf];W[me];B[md];W[ne];B[oe];W[nd]
(;B[od];W[nc]
(;B[mc];W[oc];B[pc];W[ob]
(;B[pb]C[ The ladder works.RIGHT])
(;B[oa];W[pb];B[qb];W[pd]))
(;B[oc];W[mc]))
(;B[nc];W[od];B[pd];W[of]))
(;B[ph];W[kf]C[The ladder works.]))