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: A computer system failure closed down share trading at the Tokyo Stock Exchange for most of yesterday, the worst disruption to date for Asia's largest bourse. Sentence 2: The Tokyo Stock Exchange was closed down by computer system failure.

1