Task: Question Answering
Input (English): Question: Phosphofructokinase-1: 
 Options:  <1> Participates in glycolysis and gluconeogenesis. <2> It catalyzes an easily reversible reaction. <3> It is an enzyme with allosteric regulation. <4> Directly transfers a Pi to fructose6P. <5> Produce ATP.
Output (English): 3