Instructions: 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: Indicate the correct option regarding the defined daily dose of a medicine: 
 Options:  <1> Corresponds to the maximum daily dose. <2> Corresponds to the initial dose of a treatment. <3> Corresponds to the maintenance dose for the indication that requires a lower dose. <4> Corresponds to the average daily maintenance dose. <5> Corresponds to the initial dose for the main indication.
Output:
4