(;C[White to live unconditionally]SZ[9]AB[eh]AB[eg]AB[dg]AB[cg]AB[af]AB[ae]AB[ce]AB[ee]AB[bd]AW[ei]AW[dh]AW[ch]AW[bg]AW[ah]AB[fh]
(;W[di];B[bi];W[ag];B[bf])
(;W[ag];B[bi];W[bf]
(;B[be];W[cf];B[df]C[CHOICE])
(;B[cf]C[CHOICE]))
(;W[bi];B[di]C[Now, make the right choice!]
(;W[ag]C[RIGHT]C[EasyRIGHT])
(;W[ci];B[ag]C[Only a1 is a real eye.]))
(;W[bf];B[bi])
(;W[ci];B[ag]C[d1 is a false eye; the corner will not be more than one eye either.]))