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 gastric bypass operation, also known as stomach stapling, has become the most common surgical procedure for treating obesity. Sentence 2: Obesity is medically treated.

1