Task: Question Answering
Input (English): Question: Which of the following statements is true with respect to dyspareunia? 
 Options:  <1> This disorder only affects women. <2> The essential feature is the involuntary contraction of the perineal muscles of the external third of the vagina, against the introduction of the penis, fingers, tampons, or speculums. <3> This disorder appears throughout life, can not be acquired. <4> This disorder consists of genital pain during intercourse, although it may appear before or after intercourse. <5> This alteration does not cause discomfort in interpersonal relationships.
Output (English): 4