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.

Example Input: Question: Which of the following gases is the most abundant in the alveolar air? 
 Options:  <0> Oxygen. <1> Carbon dioxide <2> Water vapor. <3> Carbon monoxide. <4> Nitrogen.
Example Output: pharmacology

Example Input: Question: On the molecular biology of cancer: 
 Options:  <0> Oncogenes are mutated derivatives of normal genes, called protooncogenes, whose function is to promote cell proliferation or survival. <1> Oncogenes are genes that synthesize proteins that inhibit cell proliferation. <2> The tumor suppressor genes synthesize proteins that inhibit cell death. <3> Protooncogenes synthesize proteins that promote cell death. <4> Apoptosis is a form of activation of proto-oncogenes.
Example Output: chemistry

Example Input: Question: Base peak in a mass spectrum is called a: 
 Options:  <0> The largest or most intense peak. <1> The heaviest pair peak. <2> The lightest isotopic peak. <3> The peak that corresponds to its nominal mass. <4> The odd peak heavier.
Example Output:
pharmacology