Task: Question Answering
Input (English): Question: In the urea cycle, the argininsuccinate: 
 Options:  <1> It generates fumarate and arginine by argininesuccinase. <2> It has five amino groups in its structure. <3> Its synthesis produces energy in the form of ATP. <4> It is synthesized in the mitochondria. <5> It is a keto acid.
Output (English): 1