In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to determine if the two sentences clearly agree/disagree with each other, or if this can't be determined. Indicate your answer as yes or no respectively.

Example Input: Sentence 1: In 2000, gross national saving as a share of GDP was 18. Sentence 2: In the year 2000, the total national saving as a part of GDP was 18.
Example Output: yes

Example Input: Sentence 1: We'll keep him close-in the water corral. Sentence 2: We will not allow him anywhere near the water corral.
Example Output: yes

Example Input: Sentence 1: Before that there were few cars in Nepal. Sentence 2: There was a time when there were not many cars in Nepal.
Example Output:
yes