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: What is the procedure called instrumental conditioning in which the instrumental response eliminates or prevents the occurrence of an aversive stimulus ?: 
 Options:  <0> Positive reinforcement. <1> Punishment. <2> Negative reinforcement. <3> Omission. <4> Extinction.

Output: psychology


Input: Consider Input: Question: The system of norms and sanctions that is established in a mandatory way for professionals based on professional ethics behaviors, is called: 
 Options:  <0> Professional bioethics <1> Practical ethics <2> Professional deontology. <3> Professional rights <4> Hierarchical moral code.

Output: nursery


Input: Consider Input: Question: A 67-year-old patient on ticlopidine treatment went to the emergency department with headache, asthenia and petechiae in the lower extremities. In the analytical sample hemoglobin 8.2 g / dl, VCM 100 fl, platelets 25000 / ul and leukocytes 7500 / ul with normal formula. The number of reticulocytes is high and in the blood smear numerous schistocytes are observed. The coagulation studies (APTT, TP and Fibrinogen) are normal. In the biochemistry highlights LDH 2700 IU / l and bilirubin 2.6 mg / dl. What is the most likely diagnosis of the patient? 
 Options:  <0> Autoimmune thrombocytopenic purpura. <1> Thrombotic thrombocytopenic purpura. <2> Medullary aplasia. <3> Drug-induced thrombocytopenia. <4> Disseminated intravascular coagulation.


Output: medicine