Task: Text Categorization
Input (English): Question: Insulin regulates the synthesis of fatty acids: 
 Options:  <0> Activating phosphorylase <1> Dephosphorylating acetyl CoA carboxylase. <2> Inhibiting the formation of malonyl CoA. <3> Controlling the carnitine-acyl CoA transferase activity. <4> Activating the fatty acid synthetase.
Output (English): chemistry