Task: Question Answering
Input (English): passage: Bill & Ted's Excellent Adventure is a 1989 American science fiction comedy film directed by Stephen Herek and written by Chris Matheson and Ed Solomon. It stars Alex Winter, Keanu Reeves, and George Carlin. The plot follows slackers Bill (Winter) and Ted (Reeves), who travel through time to assemble historical figures for their high school history presentation.
 question: was george carlin in bill and ted's excellent adventure?
Output (English): Yes