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: In the kidney, sympathetic stimulation increases: 
 Options:  <1> The renal excretion of sodium. <2> The renal excretion of water. <3> The radius of the afferent arteriole. <4> Glomerular filtration. <5> The release of renin.
