I want to know the answer to the following question:
Along with Christians and Jews, what was a major non-Muslim religious group under the Umayyads?
All the background I'm provided with is that "During the Umayyad period, the majority of people living within the caliphate were not Muslim, but Christian, Jewish, Zoroastrian, or members of other small groups.". Is that enough to answer the question?
Answer: yes