Task: Text Categorization
Input (English): Question: At 30 ° C, butylamine reacts with ethyl acrylate in KOH / EtOH and gives: 
 Options:  <0> N-Butylprop-2-enamide. <1> Prop-2-potassium enoate. <2> 3- (Butylamino) ethyl propanoate. <3> No new compound is formed. <4> Butene, ethanol and prop-2-enamide.
Output (English): chemistry