It is critical that each case write-up contains the following statement: the primary problem is… The primary problem is the omnibus or over-arching issue, and its identification relative to possible alternatives will require critical thinking. After presenting the problem, provide a rationale or reason for its selection. In other words, why is the identified problem the critical or overriding issue? By the way, if you were a consultant, your client would want to know the basis for your decision. Your case write-up is no different.