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: oh that sounds neat how about like big salad bowls those kind of things Sentence 2: that sounds interesting, like bowls and things.
Example Output: no

Example Input: Sentence 1: You can't be turned to stone looking at one, you know--only by having one look at you."  "You're cheering me up no end," he assured her. Sentence 2: You can't be turned to stone unless they look at you.
Example Output:
yes