Tyson, who served three years in jail for rape in the 1990s and who bit off part of Evander Holyfield's ear during a 1997 fight, still thinks he can be heavyweight champion again.
Can we infer the following?
Tyson committed more crimes after his release.

Pick your answer from: a. Yes. b. It's impossible to say. c. No.
The answer is:
b.