ACSM Certified Personal Trainer (#205)

Which of the following BEST describes a service request?

anything that the customer wants and is prepared to pay for
a request from a user for information, advice of for a standard change
any request or demand that is entered by a user via a self-help web-based interface
any request for change (RFC) that is low risk and can be approved by the change manager without a change advisory board (CAB) meeting