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'.

Example Input: Sentence 1: World health officials warned yesterday that West Africa and Central Africa were on the verge of the worst polio outbreak in years, stemming from the refusal of a single state in northern Nigeria to vaccinate children against the disease. Sentence 2: African polio outbreak feared
Example Output: 1

Example Input: Sentence 1: The International Atomic Energy Agency report detailing the discovery also faulted Tehran for not cooperating with the U.N. watchdog's attempts to investigate other suspicious aspects of Iran s nuclear program. Sentence 2: Tehran did not cooperate with the U.N. watchdog's attempts to investigate suspicious aspects of Iran's nuclear program.
Example Output: 1

Example Input: Sentence 1: About two weeks before the trial started, I was in Shapiro's office in Century City. Sentence 2: Shapiro works in Century City.
Example Output:
1