Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: Regarding benign prostatic hypertrophy, it is NOT true that: 
 Options:  <1> Abdominal ultrasound is a non-invasive method to assess prostate size and post-voiding residual. <2> It can cause increases in PSA levels. <3> Rectal examination is a method to estimate prostate size. <4> Treatment with 5-alpha reductase inhibitors decreases symptoms. <5> It is a precancerous lesion.
