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: Edwin Hubble is recongized as having been one of the foremost astronomers of the modern era. Sentence 2: Edwin Hubble was an astronomer.

1