Definition: 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: Question: A 78-year-old man who underwent cardiac catheterization with revascularization of the right coronary artery 3 weeks ago and consulted for nausea and vomiting of 3 days of evolution. It presents arterial pressure of 185/85 mm Hg and purple lesions on the toes of both feet. In the analytical, urea 230 mg / dL and creatinine 5.8 mg / dL were observed. What is the most likely diagnosis? 
 Options:  <1> Malignant arterial hypertension. <2> Acute tubular necrosis by contrast. <3> Rapidly progressive renal failure. <4> Renal atheroembolic disease. <5> Bilateral renal artery stenosis.
