walk_to(refrigerator)
open(refrigerator)
grab(salads)
grab(parsley)
grab(cheese)
close(refrigerator)
walk_to(dining_room)
grab(tray)
place_on_top(tray, table)
place_on_top(crackers, table)
place_on_top(salads, table)
place_next_to(salads, crackers)
place_on_top(parsley, cheese)
place_on_top(parsley_with_cheese, table)
