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: Referring to the April 2 car bomb explosion perpetrated in Santa Tecla, the FMLN-FDR claimed responsibility for the attack in a communique, and said that it was "an action aimed directly at the police" and that "they regret the death of a civilian," but they did not mention compensation for the relatives. Sentence 2: A civilian was killed by a car bomb.

1