Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: The reaction of ethyl acetate and acetone in the presence of sodium hydride in diethyl ether generates, after hydrolysis: 
 Options:  <1> 2,4-Pentanedione. <2> 4-Methyl-3-penten-2-one. <3> 3-Oxobutanoate of ethyl. <4> 2,3-Pentanedione. <5> 4-Hydroxy-4-methyl-2-pentanone.
