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 massive polio immunization drive is under way in more than 20 nations of West and Central Africa, but in Cote d'Ivoire violence has forced a postponement of the vaccination campaign, the Global Polio Eradication Initiative (GPEI) announced November 18. Sentence 2: Polio is under control in the world.

0