Context: Revelation 12:7 - 9 : " And there was war in heaven . Michael and his angels fought against the dragon , and the dragon and his angels fought back . But he was not strong enough , and they lost their place in heaven . The great dragon was hurled down - that ancient serpent called the devil , or Satan , who leads the whole world astray .

Question: What religion might this pertain to ?
Options:
0. Christianity
1. None of the above choices .
2. Sikhism
3. Buddhism
Answer: 0