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: Although your journey is going to be difficult and at times you will doubt yourselves, the benefits to clients are well worth it and the satisfaction of hearing even the most recalcitrant of adversaries say that the new system is better than the one that went before is deeply rewarding. Sentence 2: Your journey is going to be difficult and complex and by Friday afternoon you'll hate yourself; its's not worth it.
Example Output: yes

Example Input: Sentence 1: The EPA received 80 written comments and six oral presentations were made at a public hearing held by EPA. Sentence 2: No public feedback was received by the EPA regarding this issue.
Example Output: yes

Example Input: Sentence 1: When proper procedural safeguards are used, these elements alone do not diminish the value of case study methods. Sentence 2: When one uses proper procedural safeguards, the consequence is that they diminish the value of case study methods.
Example Output:
yes