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: Federal agencies are feeling the pressure to demonstrate that they are putting the taxpayers' money to sound use. Sentence 2: People want proof of their taxpayer money in use.
Example Output: yes

Example Input: Sentence 1: I do not consider this a deterioration (this article has an average of 17 words per sentence), but it does reflect the change in the size and character of the audience and in the means of communication. Sentence 2: The size and characteristics of articles has changed, but the author does not feel this to be a deterioration.
Example Output: yes

Example Input: Sentence 1: In providing services and in establishing classifications, rates, and fees under this title, the Postal Service shall not, except as specifically authorized in this title, make any undue or unreasonable discrimination among users of the mails, nor shall it grant any undue or unreasonable preferences to any such user. Sentence 2: Discrimination is preferred by the Postal Service.
Example Output:
yes