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: In America a new organization was formed, the Irish Republican Brotherhood, known as the Fenians. Sentence 2: The Irish Republican Brotherhood was formed in Ireland.
Example Output: yes

Example Input: Sentence 1: This places the responsibility to perform the intervention in the hands of individuals who are already committed to providing the service and avoids dependence on physicians who are unlikely to acquire such commitment until significant attitudinal changes occur. Sentence 2: Doctors often like performing interventions because they don't think it ever really works.
Example Output: yes

Example Input: Sentence 1: Some have ample shade and others are treeless, catering to ardent sun worshippers. Sentence 2: People who like the sun prefer to go to bigger beaches with less trees.
Example Output:
no