Expert systems work by applying a set of AND/OR rules against a knowledge base, both of which are extracted from human experts

As part of an advertising campaign, a plane flew over the beach in Ocean City trailing a banner that read: "Boardwalk Bistro will give $100 to the first person to swim from the inlet at 1st Street to Bistro's at 33rd street." Daisy was a very strong swimmer and accepted the challenge. When she got to 25th Street, however, the plane appeared again with a banner that read: "Bistro withdraws its offer." Bistro's first banner had contained an offer to form a(n) __________ contract.

a. Unilateral b. Bilateral c. Implied in fact d. Illusionary

The "balance of payments" is a record of all economic transactions between the residents of a country and the developed countries of the world

Indicate whether the statement is true or false