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: Accuracy and usefulness of the breath alcohol analyzer. Sentence 2: The breath alcohol analyzer's accuracy needs to be improved in order for its usefulness to improve.
Example Output: no

Example Input: Sentence 1: i wish i had some to spend Sentence 2: I wish I had time to spend swimming
Example Output:
no