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: I believe I've only seen your hand shake once. Sentence 2: There is only one time I have seen your hand shake.
Example Output: yes

Example Input: Sentence 1: Although the management practices described in this guide are fundamental to improving an organization's information security posture, they should be considered in the context of this broader spectrum of issues. Sentence 2: Only the management practices listed are fundamental in improving an organization.
Example Output: no

Example Input: Sentence 1: Since the author has not been able to figure out how much the postal service charges itself for delivery, this notion, while sounding meritorious and politically correct, will not be mentioned again. Sentence 2: The postal service charges customers for delivery.
Example Output:
yes