Task: Question Answering
Input (English): Question: The glomerular filtration rate increases when: 
 Options:  <1> Increases the resistance in the glomerular afferent arteriole. <2> Decreases the resistance in the glomerular efferent arteriole. <3> Increases the activity of the renal sympathetic nerves. <4> Obstruction of the urinary tract occurs. <5> Decreases the concentration of plasma proteins.
Output (English): 5