Given the task definition, example input & output, solve the new input case.
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.
Output: nursery
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.

New input case for you: Question: Indicate which of the following is an alteration of the pyrimidine metabolism: 
 Options:  <0> Thrombophilia <1> Phenylketonuria <2> Wilson's disease <3> Urine disease with the smell of maple syrup. <4> Orotic hereditary acidity.
Output:
pharmacology