Task: Question Answering
Input (English): Question: ATP synthase: 
 Options:  <1> It generates ATP by a mechanism of rotational catalysis. <2> It is found in the membrane of the endoplasmic reticulum. <3> It synthesizes ATP when electrons flow through it. <4> It presents an electron channel. <5> Consume ATP by hydrolysis coupled to electron transport.
Output (English): 1