In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Input: Consider Input: Question: Which of the following statements about aging corresponds to the psychosocial approach known as Theory of Continuity? 
 Options:  <0> Well-being in old age depends on newly acquired roles. <1> Aging successfully is related to the number of activities that are carried out. <2> As you get older it is necessary to voluntarily abandon certain activities. <3> Aging in a healthy way implies not dissociating from social roles. <4> The level of activity in old age is a function of the person's life trajectory.

Output: nursery


Input: Consider Input: Question: Reactions in which there are no intermediates are described as: 
 Options:  <0> Concerted. <1> Polar <2> Radicals <3> Homolitic <4> Heterolithic

Output: chemistry


Input: Consider Input: Question: Point out which of the following is a characteristic of childhood phobias: 
 Options:  <0> They can not be easily eliminated. <1> They are specific to a certain age. <2> They are short-lived. <3> They do not interfere with the child's daily life. <4> They are related to objectively dangerous stimuli.


Output: psychology