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: The traditional payment approval process has been modified over the years primarily through the application of statistical sampling and fast pay procedures, and the widespread use of computer technology. Sentence 2: The traditional payment approval process has not changed over the years.
yes