Complex sentence: Cactus Cooler was inspired by the 1960s cartoon show "The Flintstones" in which a fictional "Cactus Cooler" was the favorite drink of character Fred Flintstone.
Split into simpler sentences: Cactus Cooler was inspired by the 1960s cartoon show "The Flintstones". A fictional "Cactus Cooler" was the favorite drink of character Fred Flintstone.