Complex sentence: In the early 1990s she also appeared on "Family Feud" with her "Price Is Right" costars, the majority of which appearances were played against the cast of "The Young and the Restless".
Split into simpler sentences: In the early 1990s she also appeared on "Family Feud" with her "Price Is Right" costars. During most of those of episodes which were played against the cast of "The Young and the Restless".