In this task, you're given two sentences. Indicate if the first sentence clearly entails the second sentence (i.e., one can conclude the 2nd sentence by reading the 1st one). Indicate your answer with '1' if the first sentence entails the second sentence, otherwise answer with '0'.

Sentence 1: 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. Sentence 2: Mike Tyson bit Evander Holyfield's ear on June 28, 1997.
1