<prompt> A software engineer had financial losses. After that he went to a new place and changed his name and started the career as a cab driver. He had no knowledge about his past life. Diagnosis:Ganser syndromeDissociative amnesiaDissociative fugueDissociative identity disorder  <response>: Dissociative fugue is characterized by sudden, unexpected journey away from home to a new place and assuming a new identity with inability to recall past. 