Complex sentence: Various set pieces were previously used on various Barry-Enright shows-the wall behind the contestants and host came from "Hot Potato", while the "Number Jumbler" was used on an unsold 1982 pilot of "Twenty-One".
Split into simpler sentences: Various set pieces were previously used on various Barry-Enright shows. The wall behind the contestants and host came from "Hot Potato", while the "Number Jumbler" was used on an unsold 1982 pilot of "Twenty-One".