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: Recreational marijuana smokers are no more likely to develop oral cancer than nonusers. Sentence 2: Smoking marijuana does not increase the risk of developing oral cancer.

1