Original sentence: Act II was preceded in the popcorn market by ACT I, an early microwave popcorn that had to be stored in the refrigerator.In 1984, ACT II, a shelf stable microwave popcorn was released, becoming the first mass-marketed microwave popcorn
Edited sentence: Act II history begins with its predecessor-ACT I, an early microwave popcorn that had to be stored in the refrigerator.In 1984, ACT II, a shelf stable microwave popcorn, hit the stage.It was the first mass-marketed microwave popcorn