Complex sentence: His first television appearance was at age 13 in Philip Saville's 1971 "O Fat White Woman" for BBC's "Play for Today", in the story of a teacher that takes pleasure in abusing his students.
Split into simpler sentences: His first television appearance was at age 13 in Philip Saville's 1971 "O Fat White Woman" for BBC's "Play for Today". The topic of the story is that of a teacher that takes pleasure in abusing his students.