Definition: 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'.
Input: Sentence 1: Zhao, who died at 85, was a reformer who was removed from office, and imprisoned, in 1989 after denouncing the use of force against student protesters in Tiananmen Square. Sentence 2: Zhao was arrested in 1989.

1