Task: Text Categorization
Input (English): 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.
Output (English): pharmacology