On June 28, 1997, in what would become known as the bite fight, Mike Tyson bit Evander Holyfield's ear, purportedly in retaliation for Holyfield headbutting him.
Tyson bit his ear on an odd-numbered year.
Tyson bit his ear in 1997. The system was confused by the context.
( z1 bite :ARG0 ( z2 person :name ( z3 name :op "Tyson" ) ) :ARG1 ( z4 ear :part-of z2 ) :time ( z5 year :ARG1-of ( z6 number :ARG2 ( z7 odd ) ) ) )