Context: They took him in on Saturday night with blood clots in both lungs . Apparently this a common side effect from the hip surgery he had . But it 's still sacry . The symptons were like he was having a heart attack .

Question: Why did he have hip surgery ?
Options:
0. Because it 's scary .
1. None of the above choices .
2. Because his hip joint is in poor shape .
3. Because he had blood clots in both lungs .
Answer: 2