Elementary is a different concept from Middle. Middle is related to Monkey. you are likely to find Monkey in/at/on Movie. 
Reservation is related to Date. Date is related to Current. Current is related to Electric. Electric is a type of Car. 
Elementary <--DistinctFrom--> Middle <--RelatedTo--> Monkey --AtLocation--> Movie 
Reservation <--RelatedTo--> Date <--RelatedTo--> Current <--RelatedTo--> Electric --IsA--> Car 