Complex sentence: The film ends with Michael's recollections of a surprise birthday party for his father on December 7,1941: prior to his father's arrival home, Michael informed the family that he had dropped out of college and enlisted in the Marines.
Split into simpler sentences: The film ends with Michael's recollections of a surprise birthday party for his father on December 7,1941. Prior to his father's arrival, Michael told the family that he had dropped out of college and enlisted in the Marines.