Complex sentence: Cracker Jack is a U.S. brand of snack consisting of caramel-coated popcorn and peanuts, well known for being packaged with a prize of nominal value inside.
Split into simpler sentences: Cracker Jack is a U.S. brand of snack consisting of caramel-coated popcorn and peanuts. It is also well known for being packaged with a prize of nominal value inside.