(;GM[1]FF[3]
RU[Japanese]SZ[19]HA[0]KM[5.5]
PW[White]
PB[Black]
GN[White (W) vs. Black (B)]
DT[1999-07-27]
SY[Cgoban 1.9.2]TM[30:00(5x1:00)];AW[oc][pd][pf]AB[nc][nd]
LB[id:A][jd:B][kd:C][ld:D][pf:1]
C[white played 1. which extension is best for black, A, B, C, or D?
]
(;B[id]C[too far
])
(;B[jd]C[RIGHT
the correct extension, not too far, not too close
])
(;B[kd]
C[slightly too close. the black stones are not working efficiently.
])
(;B[ld]C[much too close. the stones are not efficient.
])
)
