Your school's football coach has just been fired. when the athletic director informs him of the termination, he tells the coach that although he has had recent winning seasons, the inability to make it into postseason play and his inability to groom players for the pros has weighed prominently in the decision. the coach is also told that his recruiting has not been effective and that his fund-raising has been disappointing. the athletic director then tells him that his pretty-boy image makes him look too effeminate, he dresses like a nerd, and he doesn't portray the proper image of a head football coach desired by the school. the coach's best theory for pursuing a discrimination lawsuit is