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: The gluten-free diet is the cornerstone in the treatment of celiac disease. In this regard, there are numerous products manufactured with an uncertain composition in terms of gluten, often being misleading labeling. Of the following food groups, which one can we consider completely safe in the diet of a celiac patient? 
 Options:  <1> Canned meat: Hamburgers, meatballs. <2> Milk and derivatives: yogurt, cheese, cream, curd. <3> Sauces, condiments and food additives. <4> Integral pasta: noodles, macaroni, noodles. <5> Delicatessen products, sausages, pâtés.
Example Output: 2

Example Input: Question: 78-year-old man with poorly controlled rheumatoid arthritis (RA). A history of 2 admissions for heart failure and atrial fibrillation in the last 6 months. In current treatment with infliximab, prednisone, furosemide, enalapril, carvedilol and acenocoumarol. Enter again for biventricular heart failure clinic. The ECG showed atrial fibrillation at 102 bpm and advanced left bundle branch block. An echocardiogram shows biatrial dilation, thickening of the left ventricular wall with ejection fraction of 45% and restrictive pattern. The analytical highlights: Hb 10 gr / dL, creatinine 2.1 mg / dL (FG 20 mL / min), CRP 124 mg / L, rheumatoid factor 240 U / L, BNP 980 ng / L, proteinuria 4.8 g / 24h. What is the most likely diagnosis? 
 Options:  <1> Cardio-renal syndrome type 2. <2> Amyloidosis AA. <3> Myocarditis of giant cells. <4> Toxicity due to infliximab. <5> Membranous glomerulonephritis associated with RA.
Example Output: 2

Example Input: Question: The proteasome: 
 Options:  <1> It is formed by 21 homologous subunits organized in 3 rings. <2> It is a protein complex that catalyzes the hydrolysis of ubiquitinated proteins. <3> It is found only in animal eukaryotic cells. <4> Digest acylated proteins. <5> It is activated by a drug, bertezomil, in therapy for multiple myeloma.
Example Output:
2

