Complex sentence: The 1950 U.S. Open was the 50th U.S. Open, held June 8--11 at Merion Golf Club in Ardmore, Pennsylvania, a suburb northwest of Philadelphia.
Split into simpler sentences: The 1950 U.S. Open was the 50th U.S. Open. The golf tournament was held June 8--11,1950, at Merion Golf Club in Ardmore, Pennsylvania, a suburb northwest of Philadelphia.