Complex sentence: In 1999, Slaven bared his buttocks in Binns department store window in Middlesbrough after telling Brownlee on Century FM that if Middlesbrough beat Manchester United at Old Trafford, he would perform the dare.
Split into simpler sentences: In 1999, Slaven bared his buttocks in Binns department store window in Middlesbrough following a bet on Century FM. He bet that if Middlesbrough beat Manchester United at Old Trafford, he would perform the dare.