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: Glutathione fulfills everything that follows except: 
 Options:  <1> It is a dipeptide. <2> Eliminates peroxides and free radicals. <3> Participates in the detoxification of compounds. <4> Acts as a cofactor of some enzymes. <5> Protects against oxidative stress.
