(;AB[sr]AB[rr]AB[qq]AB[qp]AB[qo]AB[ro]AB[qn]AB[pn]AB[rm]AB[sm]AB[sn]AB[om]AB[nm]AB[ml]AB[ll]AB[pl]AB[pk]AB[pj]AB[oj]AB[pi]AB[ph]AB[pg]AB[of]AB[nf]AB[nh]AB[mi]AB[lj]AB[li]AB[lh]AB[ki]AB[ii]AB[ji]AW[rs]AW[qr]AW[pr]AW[pq]AW[pp]AW[po]AW[on]AW[nn]AW[ln]AW[lm]AW[ko]AB[kn]AB[km]AB[jm]AW[ol]AW[ok]AW[mk]AW[ni]AW[mj]AW[lk]AW[kk]AW[kl]AW[kj]AW[jj]AW[ij]AW[hj]AW[hi]AW[gi]AW[gh]AW[fh]AW[fg]AB[hh]AB[hg]AB[gg]AB[gf]AW[og]AW[pf]AW[qf]AW[qg]AW[qh]AW[ri]AW[qj]AW[qk]AW[ql]AW[qm]AW[pm]AW[rl]AW[sl]AB[pe]AB[qe]AB[pd]AB[pc]AB[pb]AW[re]AW[sd]AW[qd]AW[qc]AW[rc]AB[rf]AB[rg]AW[jp]AW[jn]AW[in]AB[im]AB[hm]AB[il]AB[gn]AW[hl]AB[gj]AB[fj]AB[fi]AW[ei]AW[ek]AW[ej]AW[fk]AW[fl]AB[he]AB[ie]AB[gd]AB[gc]AB[hc]AB[ic]AB[jc]AB[jd]AB[jb]AW[kc]AW[hd]AW[ib]AW[hb]AW[gb]AW[fc]AW[fd]AW[fe]AW[ge]AW[ff]AB[eh]AB[eg]AB[ef]AW[ee]AB[ed]AB[ec]AB[eb]AW[er]AW[hp]AW[fp]AB[em]AB[el]AB[en]AB[dd]AB[df]AB[dh]AW[dg]AW[cf]AW[de]AB[ce]AB[be]AB[ae]AB[bf]AB[bh]AW[bd]AW[cd]AW[dc]AW[db]AW[bb]AW[bi]AW[ci]AW[dj]AW[ck]AW[bl]AW[cm]AW[dq]AW[dp]AW[cp]AB[bp]AB[bq]AB[br]AB[cq]AB[dr]AB[cs]AB[bn]AB[cn]AB[dm]AB[dl]AB[cl]AB[dk]TR[oj]C[How should White respond to the marked move?]AP[goproblems]
(;W[nk];B[nj])
(;W[nl];B[nk])
(;W[mm];B[nj])
(;W[nj]
(;B[nk]
(;W[mm];B[nl])
(;W[nl];B[nk])
(;W[oh]MA[ll]MA[ml]MA[nm]MA[om]MA[nk]MA[oj]MA[pj]MA[pi]MA[ph]MA[pg]MA[pk]MA[pl]C[Good work! Black cannot escape.RIGHT]))
(;B[oh]C[Black should have responded here.])))