Complex sentence: BBC 1,2007, "Comedy Map of Britain", episode 1.6 She moved to London when 17 to study design at St Martin's, then became a teacher before embarking on stand-up comedy.
Split into simpler sentences: BBC 1,2007, "Comedy Map of Britain", episode 1.6 She moved to London when 17 to study design at St Martin's. After this she became a teacher before embarking on stand-up comedy.