Which of the Following Statements Is True About a Rule

Which of the following statements is true about a rule in expert systems?

A) It groups related records together on the basis of having similar values for attributes.
B) It makes sure that each table contains only attributes that are related to an entity.
C) It allows multiple dimensions to be added to a traditional two-dimensional table.
D) It encodes knowledge after collecting information from a user.
E) It presents a view of short-term technology integration.