Determine if the sentence is true based on the text below. Choose from options.
Mike Tyson bit Holyfield's ear in 1990.

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.
Choose your answer from:
 a). yes.
 b). no.
b).