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: While a cost-per-case analysis is limited in that it only addresses quantity, and not quality of services, it does provide some useful quantitative information. Sentence 2: Only quantity is examined, not quality.

A: yes
****
Q: Sentence 1: In an attempt to counter a threat from the Saracen Muslims, a new potent religious force from the East, the Byzantine army forcefully enlisted the men of the islands. Sentence 2: The Saracen Muslims would have easily taken over Byzantium if not for the draft.

A: no
****
Q: Sentence 1: I interviewed Bork several years ago for my book The Wars of Watergate . His role in the Watergate affair has, in all fairness, been badly distorted. Sentence 2: I wrote a book and interviewed someone for it. 

A:
yes
****