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 EPA received 80 written comments and six oral presentations were made at a public hearing held by EPA. Sentence 2: No public feedback was received by the EPA regarding this issue.
Example Output: yes

Example Input: Sentence 1: Techniques and conventions that will come to seem eternal and inevitable will actually be invented in the coming months. Sentence 2: Everyone will be very busy in the following four months.
Example Output: no

Example Input: Sentence 1: This won't work, says Stephanopoulos, speaking  You can [avoid questions] in one press conference. Sentence 2: Stephanopolous believed this was bound to work.
Example Output:
yes