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: The goal is $100,000. Sentence 2: The goal is $50,000.
Example Output: yes

Example Input: Sentence 1: Mon ami Hastings! he cried.  Sentence 2: Clarence cried out Mon ami Hastings!
Example Output: no

Example Input: Sentence 1: He'd had a series of victories in various types of powered vehicles, including a victory on land at Daytona Beach in Florida, before coming to Coniston in 1967 to attempt to break the world record in speed boating. Sentence 2: He attempted to break the speed boating world record in 1967 but failed.
Example Output:
no