input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 23 years old boy, a badminton player, sustained injury of left ankle. He was immobilized for 3 months, the cast was removed and patient was able to walk normally. Later he complained of pain and swelling in the left calf, left ankle and foot. His mother massaged him for 30 minutes. After a while he developed acute onset of breathlessness and was brought to emergency and died. Most likely cause of death is:   (A) Pulmonary thromboembolism   (B) Congestive cardiac failure   (C) Massive stroke   (D) Hypovolemic shock
output: ['(A) Pulmonary thromboembolism <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Pulmonary thromboembolism  (B) Congestive cardiac failure  (C) Massive stroke  (D) Hypovolemic shock <> possible answers', '  A 23 years old boy, a badminton player, sustained injury of left ankle. He was immobilized for 3 months, the cast was removed and patient was able to walk normally. Later he complained of pain and swelling in the left calf, left ankle and foot. His mother massaged him for 30 minutes. After a while he developed acute onset of breathlessness and was brought to emergency and died. Most likely cause of death is: <> context']