Complex sentence: Gerzofsky supported legislation to bar the carrying of guns at Acadia National Park and the St. Croix Island International Historic Site, but supported legislation that would block landlord from prohibiting subsidized tenants from keeping guns in their apartments.
Split into simpler sentences: Gerzofsky supported legislation to bar the carrying of guns at Acadia National Park and the St. Croix Island International Historic Site. However, Gerzofsky also supported legislation that would block landlords from prohibiting subsidized tenants from keeping guns in their apartments.