Original sentence: The majority of these Persians are Jewish or Bahá'í who arrived after the 1979 Islamic Revolution in Iran.This is in contrast to Persians in Orange County who are mostly Muslim, but arrived around the same time period
Edited sentence: The vast majority of these Persians are jewish or bahai who arrived after the Islamic Revolution in Iran.This is in stark contrast to Persians in Orange County who are mostly muslim, but arrived around the same time period