TASK DEFINITION: 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.
PROBLEM: Sentence 1: Postal Service's available inbound LC/AO volume data is reported separately for surface and air, the Commission applied two separate REIMS II distributions. Sentence 2: Postal Service's volume data come in separate reports.

SOLUTION: yes

PROBLEM: Sentence 1: Upper Egypt was the heartland of the Kingdom at the peak of its power and influence, and the remains of its ancient cities form one of the most important and breathtaking archaeological collections in the world. Sentence 2: Upper Egypt was never actually in Egypt.  

SOLUTION: no

PROBLEM: Sentence 1: This letter is followed by a number to indicate which statement it refers to. Sentence 2: The statement is always uniquely named 

SOLUTION:
no