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 senior al-Qaeda operative who was said to be planning an attack on Heathrow Airport has been arrested. Sentence 2: Despite rumors, the British Home Office denied any specific threat had been made to target Heathrow airport.

0