Sentence 1: Mike Altman is the son of the original film 's director , Robert Altman , and was 14 years old when he wrote the song 's lyrics .
Sentence 2: Mike Altman is the director 's son , Robert Altman , and was 14 years old when he wrote the lyrics of the song .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?