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: Point out which of the following is a characteristic of childhood phobias:
Options: <1> They can not be easily eliminated. <2> They are specific to a certain age. <3> They are short-lived. <4> They do not interfere with the child's daily life. <5> They are related to objectively dangerous stimuli.

Output: 1

Input: Consider Input: Question: The placenta is a derivative of:
Options: <1> The zona pellucida. <2> The trophoblast. <3> The ectoderm <4> The mesoderm <5> The primitive line.

Output: 2

Input: Consider Input: Question: Point out the FALSE response regarding bronchiolitis:
Options: <1> It is clinically manifested by cough, nasal discharge and respiratory distress. <2> It is the most frequent disease of the lower respiratory tract in the first two years of life. <3> Prolonged breastfeeding can act as a protective factor. <4> The bacterial etiology produces more severe symptoms than the viral etiology. <5> General measures are required such as respiratory isolation, oxygen therapy, fluid therapy and humidification of the environment.
Output: 4