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: Around 50 million years ago, in contrast, oxygen levels in the atmosphere measured 23 percent--2 percent higher than today. Sentence 2: 23% of the atmosphere is made up by oxygen.

0