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: These days are special for St Petersburg - on January 18, 1943 the siege of Leningrad was broken. Sentence 2: The siege of Leningrad was broken on January 18, 1943.

1