Complex sentence: A section of terracing at the ground was sold off in 1986 to make way for a new Normid superstore (which later closed) and the club's directors had decided by 1992 that it would be difficult to convert Burnden Park into an all-seater stadium.
Split into simpler sentences: A section of terracing at the ground was sold off in 1986 to make way for a new Normid superstore (which later closed). Give us a wave! and the club's directors had decided by 1992 that it would be difficult to convert Burnden Park into an all-seater stadium.