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'.

[EX Q]: Question: The virus (virusoid) of hepatitis D (agent ) needs to co-infect with the hepatitis virus:
Options: <1> TO. <2> B. <3> C. <4> AND. <5> G.
[EX A]: 2

[EX Q]: 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.
[EX A]: 4

[EX Q]: Question: Primary prevention:
Options: <1> It consists of avoiding the appearance or diminishing the probability of suffering from a certain disease. <2> It deals with the diagnosis and early treatment of the disease. <3> It acts when the disease has already been established but trying to delay its course. <4> It is aimed at identifying patients at risk of suffering unnecessary, unethical and unnecessarily invasive interventions. <5> The correct answers are 2 and 3.
[EX A]:
1