Complex sentence: After considering and rejecting other big-time show names, they eventually decide on Rolf Harris--according to the "Observers Book of Stars", Rolf Harris is an all-round entertainer whose natural habitat is Australia.
Split into simpler sentences: After considering and rejecting other big-time show names, they eventually decide on Rolf Harris. According to the "Observers Book of Stars", Rolf Harris is an all-round entertainer whose natural habitat is Australia.