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: Mr. Olsen paid $20 million for the space trip, but says that in the future space travel will likely become as routine as air travel is today. Sentence 2: Air travel costs $20 million.

0