Q: 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: Specific activities performed by central groups differed somewhat, primarily because they relied to a varying extent on security managers and administrators in subordinate units and on other organizationally separate groups, such as disaster recovery or emergency response teams. Sentence 2: Some of the activities were different.
A:
yes