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: In 1979, the very first cases of AIDS appeared in New York. Cases of the disease that had never been seen prior to 1979, but is now considered more deadly than the bubonic plague, continued to surface in California and New York, almost exclusively in homosexual men. Sentence 2: AIDS spreads in Africa.

0