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: Point out the correct statement: 
 Options:  <0> At low pO2, myoglobin is more saturated with O2 than hemoglobin. <1> CO2 increases the affinity of hemoglobin for O2. <2> 2,3 Bisphosphoglycerate is strongly bound in oxygenated hemoglobin. <3> The tissues that produce lactate release more O 2. <4> At high pO2, hemoglobin has 2 subunits.

Output: chemistry


Input: Consider Input: Question: Which of the following statements is correct regarding the epidemiology of mood disorders ?: 
 Options:  <0> Bipolar disorders account for 25-30% of all mood disorders. <1> The average duration of a depressive episode is usually about 2-3 months. <2> The percentage of relapses of depression throughout life is estimated at 75%. <3> The risk of suicide in depressive disorder is greater than bipolar disorder. <4> 50% or more of the history of bipolar disorder is found in the families of patients with depression.

Output: psychology


Input: Consider Input: Question: In the presence of a patient with Crohn's disease who is going to start treatment with biological anti-TNF therapy (antibodies against tumor necrosis factor alpha), which of the following diagnostic tests is not necessary before initiating such therapy? 
 Options:  <0> Evaluation of the immune stage by lymphocyte count. <1> Serology of hepatitis B virus (HBV). <2> Tuberculin test. <3> Chest x-ray. <4> Serology of the human immunodeficiency virus (HIV).


Output: medicine