Complex sentence: Robert Miller Jr. was born on September 28,1956 in Medford, Massachusetts and grew up in Billerica, Massachusetts and is a retired professional ice hockey player who played 404 games in the National Hockey League between 1977 and 1985.
Split into simpler sentences: Robert Miller Jr. was born on September 28,1956 in Medford, Massachusetts and grew up in Billerica, Massachusetts. Miller is a retired professional ice hockey player who played 404 games in the National Hockey League between 1977 and 1985.