Complex sentence: In 1881 Gene Stratton attended her first Island Park Assembly, a chautauqua gathering at Sylvan Lake, near Rome City, Indiana, with her sisters, Florence and Ada, and returned to Sylvan Lake in 1884 to attend her second Island Park Assembly.
Split into simpler sentences: In 1881 Gene Stratton attended her first Island Park Assembly, a chautauqua gathering at Sylvan Lake, near Rome City, Indiana, with her sisters, Florence and Ada. She returned to Sylvan Lake in 1884 to attend her second Island Park Assembly.