instruction:
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.
question:
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.
answer:
medicine


question:
Question: The Research Diagnostic Criteria (ICD-10) for the crisis of anguish: 
 Options:  <0> They are identical to the DSM-IV, there is no variation. <1> They are identical to those of DSM-IV, except that ICD-10 includes dry mouth and requires that at least one of the symptoms present be palpitations, sweating, tremors or dry mouth. <2> They differ in their entirety from those of the DSM-IV. <3> The ICD-10 Diagnostic Criteria do not require the appearance of a minimum of crisis. <4> The ICD-10 Diagnostic Criteria do not require a period of duration.
answer:
psychology


question:
Question: It has been transcribed and it is also translated: 
 Options:  <0> mRNA. <1> rRNA. <2> Introns <3> tRNA. <4> Promoter.
answer:

biology