You will be given a definition of a task first, then some input of the task.
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.

Sentence 1: It's difficult to believe that this little spot was once a major junction for traffic in the lakes before motorized vehicles were invented. Sentence 2: Motorized vehicles were introduced in 1965.
Output:
no