Complex sentence: It was controversially voted the best sitcom in the BBC's history at the corporation's 60th anniversary celebrations in 1996, and it came sixteenth in the Britain's Best Sitcom poll commissioned in 2004 on BBC2.
Split into simpler sentences: It was controversially voted the best sitcom in the BBC's history at the corporation's 60th anniversary celebrations in 1996. It also came sixteenth in the Britain's Best Sitcom poll commissioned in 2004 on BBC2.