(;AW[bd]AW[be]AW[dc]AW[dd]AW[ed]AW[eb]AW[fb]AB[ec]AB[fc]AB[gc]AB[fd]AB[ee]AB[de]AB[ce]AB[bf]AB[cg]AW[ch]AW[dh]AW[ck]AW[jd]LB[fe:A]C[Can white cut at A? Play A if yes, otherwise tenuki at T.]LB[jj:T]AB[df]AP[goproblems]
(;W[jj];B[gf]C[Wrong. W can cut.])
(;W[fe];B[gf]
(;W[ge];B[he]
(;W[ff];B[fg]MA[gg]MA[hf]C[Yes. Ataris now work. At the very least, W gets the triangled stones.RIGHT]TR[ec]TR[fc]TR[gc]TR[fd])
(;W[gd];B[hd];W[ff];B[fg];W[ef];B[eg])
(;W[hd];B[gd];W[ff];B[fg];W[ef];B[eg])
(;W[hf];B[ff]
(;W[gd];B[hd])
(;W[hd];B[gd])))
(;W[ff]
(;B[fg]
(;W[ge];B[he]MA[gg]MA[hf]C[Yes. Ataris now work. At the very least, W gets the triangled stones.RIGHT]TR[ec]TR[fc]TR[gc]TR[fd])
(;W[eg];B[ef];W[ge];B[he])
(;W[ef];B[eg];W[ge];B[he]))
(;B[df]))))