Input (grade 5): Chuck E. Cheese's (formerly Chuck E. Cheese's Pizza Time Theatre and Chuck E. Cheese's Pizza) is a chain of family entertainment centers.
Output (grade 4): Created in 1977 by Atari founder Nolan Bushnell, it started out as Chuck E. Cheese's Pizza Time Theatre. In 1999, CEC Entertainment, Inc. the owners of Chuck E. Cheese, bought out their primary competitor, Discovery Zone.