;; A simple fact base for our prolog simulator (loves john mary) (rich katy) (rich jane) (near katy mall) (near jane landfill) (man tim) (man hank) (food quiche) (hungry hank) (hungry katy) ((loves ?x ?y) :- (man ?x) (woman ?y)) ((woman ?z) :- (likes ?z shopping) (eats ?z quiche)) ((likes ?x shopping) :- (rich ?x) (near ?x mall)) ((eats ?x ?y) :- (hungry ?x) (food ?y))