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: But there are plenty of things for dollar-wielding visitors to buy now that private enterprise is permitted on a limited scale. Sentence 2: Private enterprise is not permitted.
Example Output: yes

Example Input: Sentence 1: He began digging in 1900 after buying the site and financing the excavation program with his own money, and almost immediately struck the first building blocks of a huge Bronze Age palace replete with magnificent pottery and other artifacts. Sentence 2: Many archeologists from all over the world traveled to the site.
Example Output: no

Example Input: Sentence 1: Many Zimbabweans, and many friends of this country, hope he will pause and rethink his positions on the land issue, the economy and democracy, it concluded. Sentence 2: Zimbabweans do wish to see a change in the ideas of land issues, economical stances, and the state of their nation's government.
Example Output:
no