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: On the Adriatic, Pesaro honors its native son Rossini from mid-August to late September. Sentence 2: Rossini is honoured  from August to September.
Example Output: yes

Example Input: Sentence 1: I will be back as soon as I can."  Sentence 2: I will return as soon as possible.
Example Output: yes

Example Input: Sentence 1: I am not keeping back facts.  Sentence 2: I am not about to hold back facts that may help.
Example Output:
no