Step 1 : Introduction to the question " Sylvester Stallone, Bruce Willis and Arnold Schwarzenegger were owners of which chain restaurant?"
It was launched in New York City on October 22, 1991, with the backing of Hollywood stars Sylvester Stallone, Bruce Willis, Demi Moore, and Arnold Schwarzenegger. Further celebrity endorsement included actress Whoopi Goldberg, actor Don Johnson and Melanie Griffith, director John Hughes, comedian Roseanne Barr, and actors Tom Arnold, Wesley Snipes, and Danny Glover.