Which medium offers public relations the greatest communication flexibility in terms of reaching people under a variety of circumstances?

If the parent is required, then a new child row must be created with a valid foreign key value

Indicate whether the statement is true or false

Below are four statements made by salespeople to customers. In each case, a customer made a purchase relying on the statement, the statement proved to be false, and the customer suffered a loss. Which statement would most likely serve as the basis for a successful suit for breach of warranty?

a. "This watch will last a lifetime." b. "You won't find anything like this for the same amount of money anywhere." c. "These spark plugs should give you better gasoline mileage." d. "This material is fireproof and approved by Underwriters' Laboratories."