Complex sentence: A woman who Van Driessen knows from medieval reenactments, who is churning butter at Prairie Falls, a recreated homesteading community from 1832 that his class visits on a field trip ("Time Machine").
Split into simpler sentences: A woman who Van Driessen knows from medieval reenactments. She is churning butter at Prairie Falls, a recreated homesteading community from 1832 that his class visits on a field trip ("Time Machine").