In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
Example: Question: A distension is defined as:
Options: <0> Soft tissue injury. <1> Forced movement of abrupt production. <2> Injury by stretching a muscle. <3> Injury of the joint capsule. <4> Interruption in the continuity of a bone.
Example solution: nursery
Example explanation: Distension means Bloating and swelling in the belly area. It does not have much to do with chemistry, psychology, pharmacology, biology and medicine. Hence, the correct topic is nursery.

Problem: Question: In anorexia nervosa, and in relation to menstrual / reproductive function, which of the statements is true according to the DSM-IV-TR criteria?
Options: <0> The existence of amenorrhea is a basic diagnostic criterion. <1> We do not consider that the amorrea is significant until the patient has presented it for at least one year. <2> The amorrea, when it exists, is always primary, never secondary. <3> Amorrhea is a characteristic of this disorder but not a basic diagnostic criterion. <4> Without the presence of amorrea, anorexia nervosa can be diagnosed.
Solution: psychology