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.

Input: Consider Input: Sentence 1: But Sir James was already on the topmost stair. Sentence 2: They were telling Sir James to come upstairs, not realizing he was already there.

Output: no


Input: Consider 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.

Output: yes


Input: Consider Input: Sentence 1: O'Connell Street is a grand boulevard with a wide central island, studded with monuments and statues. Sentence 2: O'Connell Street has walking tours because it is so magnificent.


Output: no