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: Twenty years ago, on June 6, 1968, Sen. Robert F. Kennedy died at Good Samaritan Hospital in Los Angeles, 25 -LCB- hours after he was shot at the Ambassador Hotel by Sirhan Bishara Sirhan. Sentence 2: Sirhan Bishara Sirhan killed Sen. Robert F. Kennedy

1