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: The most recent poll carried out by NOP market research in January revealed that 61% of Britons are opposed to joining the euro. Sentence 2: The introduction of the euro has been opposed.

1