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: When an experimental design is carried out, it is fundamentally sought: 
 Options:  <0> Know better the average of the results obtained and repeated in an experiment. <1> Know better the median of the results obtained in an experiment. <2> Identify better the factors that can affect the experiment. <3> To better identify the regression equations in an experiment. <4> To know better the standard deviation of the different data in the experiment.
Example Output: chemistry

Example Input: Question: A basic component of spectrophotometers is the monochromator. Its function is: 
 Options:  <0> Connect the different wavelengths from the source to achieve greater light power. <1> Transform the optical signal measured by the detector into an electrical signal. <2> Disperse the light separating the wavelengths that compose it and select a narrow band. <3> Amplify the analytical signal by improving the signal-to-noise ratio. <4> Decrease the power of the light beam to eliminate the background noise of the spectrophotometer.
Example Output: chemistry

Example Input: Question: The limit of bacterial endotoxins established by the European Pharmacopoeia for water for injection is: 
 Options:  <0> 0.25 IU / ml. <1> 0.10 IU / ml. <2> 0 IU / ml. <3> 0.22 IU / ml. <4> 0.15 IU / ml.
Example Output:
pharmacology