This is my second problem. Better than my first because I found the graphical editor :).
(;AP[goproblems]AB[ba]AB[bb]AB[bc]AB[ac]AB[bd]AB[cd]AB[dd]AB[ed]AW[cb]AW[cc]AW[eb]AW[fc]AW[fd]AW[ee]AW[de]AW[ce]AW[be]AW[ae]AW[ad](;B[ec];W[db]C[Can't form two eyes now.])(;B[ca];W[db]C[can't form two eyes.])(;B[db](;W[dc]C[CHOICE](;B[ec];W[da];B[ca]C[Correct black will take white.RIGHT])(;B[ca];W[ec]C[:( no two eyes]))(;W[da]C[CHOICE](;B[dc]C[Black takes the whites.RIGHT])(;B[ca];W[dc];B[ec]C[Yep black takes some white stones and lives (Thx to edegroot for this variation)RIGHT])(;B[ec];W[dc];B[ca]C[Black takes some whites.RIGHT])))(;B[dc];W[db]C[Can't form two eyes.])(;B[da];W[db])(;B[fb];W[ec](;B[dc];W[db])(;B[db];W[dc])))