Complex sentence: Affirming Pentecostal Church is an international LGBT-affirming Apostolic Pentecostal denomination founded December 5,2010 in Indianapolis, Indiana, and headquartered in that city.
Split into simpler sentences: Affirming Pentecostal Church is an international LGBT-affirming Apostolic Pentecostal denomination. It was founded December 5,2010 in Indianapolis, Indiana, and maintains headquarters in that city.