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: Questions about durables holdings--cars, housing, and personal computers. Sentence 2: They had not prepared any questions.
Example Output: yes

Example Input: Sentence 1: In a nearby 19th-century Anglican church is the visitor center, with exhibits and an audio-visual show. Sentence 2: You can see the history of the area at the visitor center.
Example Output: no

Example Input: Sentence 1: In 1936, Pan American Airways introduced daily passenger air service from San Francisco. Sentence 2: Pan American Airways started service from San Francisco.
Example Output:
yes