The Legal-Entity in a Potential-Sale that may become theActual-Customer in a possible future Sale.
(=> (Customer ?X) (Or (Exists (?Sale) (Actual-Customer ?Sale ?X)) (Exists (?Potential-Sale) (Potential-Customer ?Potential-Sale ?X)) (Exists (?Sale-Offer) (Specified-Potential-Customer ?Sale-Offer ?X))))
(<=> (Customer ?X) (And (Legal-Entity ?X) (Actor ?X) (Or (Exists (?Sale) (Actual-Customer ?Sale ?X)) (Exists (?Potential-Sale) (Potential-Customer ?Potential-Sale ?X)) (Exists (?Sale-Offer) (Specified-Potential-Customer ?Sale-Offer ?X)))))