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.

Q: Sentence 1: Originally the post was simply an inter-city letter service. Sentence 2: The post used to be just for inter-city communications.

A: yes
****
Q: Sentence 1: Consequently, GAO monitors agencies' progress in implementing these recommendations. Sentence 2: The implementation of recommendations is monitored by GAO.

A: yes
****
Q: Sentence 1: Such a reorientation might facilitate the process of linking resource allocation to results consistent with GPRA. Sentence 2: There's no need for a reorientation if the goal is to get results that are consistent with the GRPA.

A:
yes
****