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: Witnesses of genocide attacks on minority Tutsis in Rwanda are being singled out for execution by extremist Hutus in refugee camps in southwest Rwanda, a U.N. spokesman said in Kigali, the capital. Sentence 2: The Hutu and Tutsi groups fought in Rwanda.

1