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: Postal Service's available inbound LC/AO volume data is reported separately for surface and air, the Commission applied two separate REIMS II distributions. Sentence 2: Postal Service's volume data come in separate reports.

Output: yes


Input: Consider Input: Sentence 1: Others believed that only total (historical) costs should be used. Sentence 2: And the others believed that only thistorical (total) costs should be used.

Output: yes


Input: Consider Input: Sentence 1: Although GAO has not had time to thoroughly analyze the strategy yet, we previously suggested that certain key elements be incorporated in the homeland security strategy. Sentence 2: Previously, GAO suggested that the homeland security strategy should include certain key elements.


Output: yes