Context: He was on a new medication that suppresses the immune system , and that 's where the pneumonia came from . This contributed to Mac 's death . He was so young and talented . It is so sad to see someone lose their life at such a young age .

Question: Why may have Mac ultimately passed away ?
Options:
0. His immune system was poor .
1. He got murdered .
2. He got hit by a car .
3. He got attacked .
Answer: 0

Question: Why may have Mac ultimately passed away ?
Options:
0. He got hit by a car .
1. He got murdered .
2. He got attacked .
3. The medicine adversely affected him .
Answer: 3