I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "A wide range of beliefs and practices is found across the world among those who call themselves Christian. Denominations and sects disagree on a common definition of "Christianity". For example, Timothy Beal notes the disparity of beliefs among those who identify as Christians in the United States as follows:"? 

What is a common occurrence in the Christian religion?