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: A 65-year-old man with a history of pancreatic cancer undergoing chemotherapy. Emergency consultation for pain and edema of the entire lower limb from the groin. Which diagnostic test is more cost-effective to confirm the diagnostic suspicion?
Options: <1> Dimer D. <2> Magnetic resonance. <3> Phlebography <4> Venous Doppler ultrasound. <5> Helical CT

Output: 4

Input: Consider Input: Question: The main indication for using 4 drugs in the initial treatment of tuberculosis is:
Options: <1> Affectation of the central nervous system. <2> High prevalence of primary resistance to isoniazid. <3> Cavitated and extensive pulmonary tuberculosis with large bacillary load. <4> Disseminated tuberculosis associated with HIV infection. <5> Extrapulmonary tuberculosis in immunodepressed patients of any origin.

Output: 2

Input: Consider Input: Question: What would happen if the DNA carried OH in carbon 2 'of the pentose?
Options: <1> That instead of thymine should carry uracil. <2> That would be more sensitive to hydrolysis. <3> That instead of in the nucleus it would be in the cytoplasm. <4> That it could not form double helices. <5> That would give a higher absorbance value at 260 mm.
Output: 2