Complex sentence: Robert Earl Campbell (July 23,1900--February 11,1953) was a Canadian professional ice hockey defenceman who played 3 seasons in the National Hockey League for the Ottawa Senators and New York Americans.
Split into simpler sentences: Robert Earl Campbell (July 23,1900--February 11,1953) was a Canadian professional ice hockey player. Campbell played three seasons in the National Hockey League for the Ottawa Senators and New York Americans.