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: As previously noted, LSC reissued its CSR instructions to all grantees, calling attention to problem areas known at that time. Sentence 2: LSC never reissued CSR instructions.
Example Output: yes

Example Input: Sentence 1: One line, unintended as an epigram, stings unforgettably. Sentence 2: One witty sentence can be unforgettable.
Example Output: yes

Example Input: Sentence 1: In fiscal year 1998, Illinois spent approximately $6.2 billion for Medicaid covering over 1.3 million recipients. Sentence 2: An estimated 5.7 billion was spent on Medicaid in 1999.
Example Output:
yes