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: The main autocrine growth factor for most T lymphocytes after antigen recognition is: 
 Options:  <1> Interleukin 2 <2> Interleukin 4 <3> Interleukin 10 <4> TGF-beta. <5> All the previous ones
