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: Which of these species is a free radical? 
 Options:  <0> The molecule NO. <1> The O2 molecule. <2> The N2O molecule. <3> The OH- anion. <4> The ClO- anion.

Output: chemistry


Input: Consider Input: Question: What kind of memory can we use to plan what we have to do to arrive on time for an appointment next Tuesday? 
 Options:  <0> Prospective report. <1> Autobiographical memory <2> Episodic memory. <3> Semantic memory <4> Procedural memory.

Output: psychology


Input: Consider Input: Question: He is presented with a cohort study involving 1000 female smokers and 2000 non-smoking women of the same age. If, after 5 years, 30 smokers and 20 nonsmoking women have experienced a stroke, what would be the relative risk and the attributable risk? 
 Options:  <0> Relative risk = 3, attributable risk = 10 out of every 1000. <1> Relative risk = 3, attributable risk = 20 out of every 1000. <2> Relative risk = 1.5, attributable risk = 10 out of every 1000. <3> Relative risk = 1.5, attributable risk = 30 out of 1000. <4> Relative risk = 10 out of 1000, attributable risk = 3.


Output: medicine