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: Consider Input: Sentence 1: Lennon was murdered by Mark David Chapman outside the Dakota on Dec. 8, 1980. Sentence 2: Mark David Chapman killed Lennon.

Output: 1


Input: Consider Input: Sentence 1: Cuban Leader Fidel Castro sent a letter to United Nations Secretary-General Kofi Annan assuring him that Cuba will follow anti-terrorism treaties in the wake of last month's terrorist attacks against New York and Washington. Sentence 2: Castro visits the UN.

Output: 0


Input: Consider Input: Sentence 1: A statement said to be from al Qaida, claimed the terror group had killed one American and kidnapped another in Riyadh. Sentence 2: A U.S. citizen working in Riyadh has been kidnapped after a colleague in the same company was shot dead yesterday.


Output: 1