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: Originally the post was simply an inter-city letter service. Sentence 2: The post used to be just for inter-city communications.
Example Output: yes

Example Input: Sentence 1: uh-huh uh-huh really oh i'm glad my husband's not like that Sentence 2: My husband is exactly like that too, ugh.
Example Output: yes

Example Input: Sentence 1: Participants also cautioned that we need to move forward patiently toward a new comprehensive reporting model. Sentence 2: Participants were warned the most about moving forward.
Example Output:
no