walk_to(refrigerator)
grab(salads)
place_on_top(dining_table)
grab(parsley)
grab(cheese)
place_on_top(dining_table, parsley, cheese)
walk_to(table)
grab(crackers)
place_on_top(dining_table, crackers)
walk_to(dining_room)
grab(tray)
place_on_top(dining_table, tray)