in random to stop outside place, something optional be smaller than or similar in weight to that thing
hitchhiking_stop is outdoor_location. waiting_for_bus is unnatural_thing. ergodicity is randomness. random_number_generator is routine. congestion is preventing. random_variable is variable. leaving_out is partially_mental_event. find_outside is litter. going_out_to_eat is partially_mental_event. stop is knob.