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: 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

Example Input: Sentence 1: No, you are right, he said, "it is not as though there was a blood tie.  Sentence 2: He has thought this matter through a lot.
Example Output: no

Example Input: Sentence 1: The following year, acting with what Prime Minister Antonio Salandra acknowledged to be  sacro egoismo,  Italy signed a secret treaty to enter the war on the side of Britain, France, and Russia in exchange for the post-war annexation of Austrian-held Trento, South Tyrol (now Alto Adige), and Trieste. Sentence 2: Britain, France, Russia, and Italy won the war.
Example Output:
no