Complex sentence: On September 18,2011, Joh had her best yet finish on the LPGA Tour, as the runner-up at the Navistar LPGA Classic, five strokes behind winner Lexi Thompson.
Split into simpler sentences: On September 18,2011, Joh had her best yet finish on the LPGA Tour. She finished second at the Navistar LPGA Classic, five strokes behind winner Lexi Thompson.