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'.

Example Input: Question: Transketolase catalyzes the transformation of ribose-5-phosphate and xylulose-5-phosphate into: 
 Options:  <1> Two molecules of ribulose-5-phosphate. <2> Sedoheptulose-7-phosphate and glyceraldehyde-3-phosphate. <3> Fructose-6-phosphate and erythrose-4-phosphate. <4> Glyceraldehyde-3-phosphate and glucose-6-phosphate. <5> 6-Phosphogluconate and glyceraldehyde-3-phosphate.
Example Output: 2

Example Input: Question: Question linked to image # 4 What would be the most likely radiological diagnosis to justify this finding? 
 Options:  <1> Central bronchogenic carcinoma. <2> Left phrenic paralysis. <3> Anterior thoracic wall abscess. <4> Left pleural mesothelioma. <5> Anterior mediastinal lymphoma.
Example Output: 1

Example Input: Question: What type of pathology corresponds to chronic granulomatous disease. 
 Options:  <1> Congenital agammaglobulinemia. <2> T cell deficit <3> Severe combined immunodeficiency. <4> Deficit in the microbicidal capacity of phagocytes. <5> Congenital neutropenia
Example Output:
4