<prompt> An auto immune disease is:Pemphigus VulgarisPsoriasisLichen PlanusAcne Vulgaris  <response>: A i.e. Pemphigus vulgarisDiseaseEtiologyPemphigusPemphigoid, Epidermolysis bullosa acquisitaAutoinimune2Lichen planusInflamatory disorder of unknown originAcne vulgarisObstruction of pilo-sebaceous gland.QEpidermolysis bullosa congenitaPsoriasisGenetic diseaseQ of unknown originGenetic dsQ unknown inflamatory origin 