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: Consider Input: Question: Affective rigidity is characterized by: 
 Options:  <1> Rapid changes in mood. <2> Affective expression is discordant with the situation. <3> Absence of reactive positive feelings. <4> Inability to modulate affect depending on situations. <5> Little intense emotional responses.

Output: 4


Input: Consider Input: Question: Which of the following molecules has a simple covalent bond? 
 Options:  <1> C2. <2> N 2 <3> O 2 <4> O 3. <5> F 2

Output: 5


Input: Consider Input: Question: Strict vegetarians with low sun exposure should consume foods rich in vitamin: 
 Options:  <1> Retinol (A). <2> Ascorbic acid (C). <3> Calciferol (D). <4> Riboflavin (B2). <5> Niacin (B3).


Output: 3