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: activities calculated with data collected in 1985. Sentence 2: The data was collected in 1985
Example Output: yes

Example Input: Sentence 1: In an attempt to counter a threat from the Saracen Muslims, a new potent religious force from the East, the Byzantine army forcefully enlisted the men of the islands. Sentence 2: The Saracen Muslims would have easily taken over Byzantium if not for the draft.
Example Output: no

Example Input: Sentence 1: but really that's a previous generation i don't like it's harder to imagine people of our age doing that and not feeling really stupid Sentence 2: Many popular dances from the 1950s seem silly today.
Example Output:
no