Sandwich ordering A modern BnB has installed a sandwich making robot to supply room service sandwiches at any hour of the day. The BnB has an automated delivery system that will take the completed sandwich to a specified room. You have been asked to program a software agent interface that guests can phone to order sandwiches.

1.2 Provide a hierarchical task description of the sandwich ordering process. Note particularly where there might be choice points or alternative methods. Also explain your criteria for the level of decomposition used.