Detailed Instructions: 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.
Q: Question: Which of the following vertebrate viruses does it require during its multiplication cycle of a polymerase with reverse transcriptase activity?
Options: <0> Herpes simplex virus type 1. <1> Smallpox virus <2> Varicella-zoster virus. <3> Hepatitis B virus <4> Epstein-Barr virus.
A:
pharmacology