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: FDA responds in the preamble to the final rule to several comments it received and maintains its conclusion that the rule does not have a negative impact. Sentence 2: FDA says the rule doesn't affect the body negatively.
Example Output: no

Example Input: Sentence 1: Western analysts now fear that the generals are using Chechnya to reassert control over national security and foreign policy. Sentence 2: Generals could do unsavory things with Cechnya.
Example Output: no

Example Input: Sentence 1: Besides, a father confessor should be elderly, it is not at all the role for a young man.  Sentence 2: Young men are not suitable for the position of father confessor.
Example Output:
yes