Complex sentence: After retiring as a player Norman coached the Eastern Suburbs which included a premiership in 1923 and later he also coached the Manly-Warringah Sea Eagles for one year in 1954 and the NSW Country representative side.
Split into simpler sentences: After retiring as a player, Norman coached the Eastern Suburbs which included a premiership in 1923. He later coached the Manly-Warringah Sea Eagles for one year, in 1954, and the NSW Country representative side.