(;GM[1]FF[4]AP[Sabaki:0.18.0]CA[UTF-8]KM[6.5]SZ[19]AB[pd][qe][rf][nd][lc]AW[qf][pf][rg][qj]C[Position 2]PL[W]
(;W[re]C[W option 1]
;B[rd]
;W[sf]C[How does the aji in the corner change now that the B stone is at M17? Can W live more easily in the corner?

Does W's follow up sequence start with S17, R17, P17, or O18?]
)(;W[jc]C[W option 2]
(;B[pp]C[Best W continuation?]
)(;B[le]C[Best W continuation?]
)))