Task: Question Answering
Input (English): Question: Urine is hypoosmolar with respect to plasma in: 
 Options:  <1> Bowman's capsule. <2> Proximal tubule <3> Medulla area of ​​the loop of Henle. <4> Initial zone of the distal tubule. <5> Collecting tubule in the presence of ADH.
Output (English): 4