1*1903c511SMasahiro Yamadaboolean choice 2*1903c511SMasahiro Yamada 1. choice 0 (BOOL_CHOICE0) (NEW) 3*1903c511SMasahiro Yamada> 2. choice 1 (BOOL_CHOICE1) (NEW) 4*1903c511SMasahiro Yamadachoice[1-2?]: 5