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: What mineral deficit has been especially observed in pica cases? 
 Options:  <0> Calcium deficit <1> Zinc deficit. <2> Lead deficit <3> Potassium deficit <4> Sodium deficit
Example Output: psychology

Example Input: Question: Acceptance and Commitment Therapy is structured around two central concepts, what are they? 
 Options:  <0> Experiential Avoidance and Personal Values. <1> Acceptance and Validation <2> Activation and Commitment <3> Experiential Avoidance and Cognitive Restructuring. <4> The emotional Vulnerability and the cognitive defusion.
Example Output: psychology

Example Input: Question: The hepatic clearance of a drug, mainly eliminated by metabolism, which has a high degree of hepatic extraction and a high binding to plasma proteins: 
 Options:  <0> It is significantly influenced by the hepatic blood flow. <1> It is significantly influenced by changes in the degree of plasma protein binding. <2> It is significantly influenced both by hepatic blood flow and by changes in the degree of plasma protein binding. <3> It will not be influenced by the hepatic blood flow or by changes in the degree of binding to plasma proteins. <4> It will depend on the absolute bioavailability of the drug.
Example Output:
pharmacology