You will be given a definition of a task first, then some input of the task.
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.

Question: The following hepatic biotransformation reactions of drugs are type II, except for: 
 Options:  <0> Glucuronidation. <1> Desamination <2> Methylation <3> Conjugation with glycine. <4> Acetylation
Output:
pharmacology