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: Consider Input: Question: About free radicals: 
 Options:  <0> They are compounds that contain two or three unpaired electrons in an outer orbital. <1> Reactive oxygen species (ROS) in the cell are only generated enzymatically. <2> Hydrogen peroxide is the most damaging radical in the cell. <3> The hydroxyl radical originates non-enzymatically (Heber-Weiss reaction) and damages proteins and DNA. <4> Oxygen is a triradical.

Output: chemistry


Input: Consider Input: Question: In general, viruses that have a naked capsid: 
 Options:  <0> They are stable against drying. <1> They are commonly released from the host cell by budding. <2> They are very sensitive to detergents. <3> They are very sensitive to the conditions in the intestinal tract. <4> They can not be neutralized by host antibodies.

Output: biology


Input: Consider Input: Question: In the Type II error: 
 Options:  <0> The alternative hypothesis is not rejected being true. <1> The null hypothesis is not rejected as false. <2> The null hypothesis is not rejected, I feel certain. <3> The null hypothesis is rejected being true. <4> The alternative hypothesis is accepted as false.


Output: psychology