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: And after the amazing experience of seeing history come to life, people would obviously want a souvenir. Sentence 2: People needed souvenirs when they went on vacation.
Example Output: no

Example Input: Sentence 1: I am sorry for that, he said.  Sentence 2: I do not apologize for anything, he stated.
Example Output: yes

Example Input: Sentence 1: um so that's limiting i tend to use it to log into the the mainframe at work Sentence 2: I don't use it for anything.
Example Output:
yes