A very simple problem, about making good decisions.
(;AB[ge]AB[ff]AB[ee]AW[fe]AW[fd]AB[gd]AB[fc]AW[ne]AW[of]AW[pe]AB[oe]C[Which should you do? Take your opponents one stone or get your two stones out of atari?]AP[goproblems]
(;W[od]C[If you had tried to save your stones, you would have eventually lost more than two stones.RIGHT])
(;W[ed];B[dd];W[ec];B[eb];W[dc];B[cc];W[db];B[da];W[cb];B[bb];W[ca];B[ba]C[By trying to save those two stones, you eventually lost a lot of stones and your opponent made a lot of territory.]))