Definition: 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.
Input: Question: The differential modification of RNA:
Options: <0> It can result in multiple products from one gene. <1> It occurs thanks to the transcription bubble. <2> It is catalyzed by RNA polymerase I. <3> It is catalyzed by RNA polymerase II. <4> It is catalyzed by RNA polymerase III.
Output:
chemistry