carry(BIRD + CAGE - obj, game.loc);
carry(obj, game.loc);
if (obj == BOTTLE && LIQUID() != NO_OBJECT)
game.place[LIQUID()] = CARRIED;
carry(BIRD + CAGE - obj, game.loc);
carry(obj, game.loc);
if (obj == BOTTLE && LIQUID() != NO_OBJECT)
game.place[LIQUID()] = CARRIED;