<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 65-year-old woman presents to your office after three days of fever and productive cough. She is taking Tylenol for her fever and her last dose was yesterday morning. She reports reddish brown sputum. She has a history of hypertension and hypercholesterolemia for which she takes lisinopril and a statin. She has never smoked and drinks 1-2 glasses of wine a week. She recently returned from Italy and denies having any sick contacts. On physical exam, her temperature is 102.2F 39C, blood pressure is 13078 mmHg, pulse is 90min, respirations are 21min, and pulse oximetry is 95 on room air. She has decreased breath sounds in the left lower lobe. Chest x-ray is shown. The causative organism would most likely show which of the following?? A: Beta hemolysis, B: Gamma hemolysis, C: Optochin resistance, D: Optochin sensitivity, E: Novobiocin sensitivity,  <response>: This is a clinical vignette describing a 65-year-old woman with fever, productive cough, and abnormal lung exam findings concerning for pneumonia. The question asks about identifying the likely causative organism based on a characteristic finding. The key findings in the vignette are:- Elderly woman with fever, cough, sputum production - Recent travel to Italy- Unilateral lung exam findings of decreased breath sounds and abnormal CXR concerning for pneumoniaThe answer choices describe different characteristics of common bacterial organisms that cause pneumonia. This includes hemolysis patterns on blood agar and sensitivityresistance to optochin and novobiocin.Based on the clinical presentation and recent travel history, the most likely organism is Streptococcus pneumoniae pneumococcus. Pneumococcus is a common cause of community-acquired pneumonia and displays optochin sensitivity on laboratory testing.D: Optochin sensitivity 