Task: Text Categorization
Input (English): Question: The pentose phosphate pathway produces: 
 Options:  <0> NADH and acetyl-CoA. <1> NADPH and ribose-5-phosphate. <2> NADH and ribose-5-phosphate. <3> Urea. <4> Ribulose-1,5-bisphosphate.
Output (English): biology