Complex sentence: Hart had been the subject of rumours of marital infidelity, and after the pair were photographed aboard Lillian Briggs'yacht, "Monkey Business", Hart's campaign came to an end.
Split into simpler sentences: Hart had been the subject of rumours of marital infidelity. After the pair were photographed aboard Lillian Briggs'yacht, "Monkey Business", Hart's campaign came to an end.