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: The anterior pituitary gland: 
 Options:  <1> It is part of the hypothalamus. <2> It is regulated hormonally. <3> It communicates with the neurohypophysis. <4> It releases ADH and oxytocin. <5> It is formed by neurons.

Output: 2


Input: Consider Input: Question: On what model are the intervention programs most successful in the early treatment of childhood autism based? 
 Options:  <1> In the applied analysis of behavior. <2> In the neomediational behaviorism. <3> In the theory of social learning. <4> In Lacanian psychoanalysis. <5> In the theory of attachment.

Output: 1


Input: Consider Input: Question: The most frequent malignant tumor of the submaxillary gland is: 
 Options:  <1> Mucoepidermoid carcinoma. <2> Carcinoma ex-pleomorphic adenoma. <3> Lymphoma <4> Cylindroma or cystic adenoid carcinoma. <5> Papillomatous cystadedenolymphoma.


Output: 4