Which of the following are true of the categorization of users?

(A) Potential user is the one who needs information which cannot be provided by specific services

(B) The expected user is the one who is known to have the intention of using certain information services

(C) Actual user is the one who has used an information service

(D) Beneficiary user is the one who derives measurable advantage from information services

Choose the correct answer from the options given below: