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 lithium aluminum hydride reacts with the carboxylic acids to give: 
 Options:  <1> Esters. <2> Ketones <3> Tertiary alcohols. <4> Secondary alcohols <5> Primary alcohols.
