Context: I recently tore the cartilage in my right knee , and had surgery . I was prescribed Hydrocodone for the pain before the surgery but complained about not being able to sleep . So after the surgery my Dr. prescribed Oxycodone .
Question: What must have happened before the person required surgery ?
Option 0: Their finger was cut off in an industrial accident .
Option 1: They broke their ankle in a fall .
Option 2: None of the above choices .
Option 3: They badly injured their knee .
Answer: 3