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: The content validity of an evaluation instrument refers to: 
 Options:  <0> The evidence obtained by factor analysis. <1> The concurrence of measures. <2> The adequacy in the establishment of inferences. <3> The relevance and representativeness of its items. <4> The significant relationships with other measures.
Example Output: psychology

Example Input: Question: Pharmaceutical planning, in Spain, is the responsibility of: 
 Options:  <0> The municipal authorities. <1> The Interterritorial Council of the National Health System. <2> The county entities. <3> The state administration. <4> The autonomous communities.
Example Output: pharmacology

Example Input: Question: The bodies of Negri are masses of viral particles visible under an optical microscope in cells infected by the virus: 
 Options:  <0> Smallpox <1> Anger. <2> The polyoma. <3> Yellow fever <4> Herpes
Example Output:
biology