Task: Question Answering
Input (English): 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.
Output (English): 1