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: Regarding benign prostatic hypertrophy, it is NOT true that: 
 Options:  <0> Abdominal ultrasound is a non-invasive method to assess prostate size and post-voiding residual. <1> It can cause increases in PSA levels. <2> Rectal examination is a method to estimate prostate size. <3> Treatment with 5-alpha reductase inhibitors decreases symptoms. <4> It is a precancerous lesion.
Example Output: medicine

Example Input: Question: In a patient with Renal Insufficiency, oral drugs must be administered: 
 Options:  <0> With natural fruit juices. <1> With the lowest volume of liquid possible. <2> With the same volume as any other patient. <3> With the largest volume of liquid possible. <4> Always during hemodialysis.
Example Output: nursery

Example Input: Question: Linear scanning polarography uses a working electrode of: 
 Options:  <0> Drops of mercury <1> Iodine drops <2> Platinum. <3> Calomelanos <4> Drops of cerium nitrate.
Example Output:
chemistry