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: Try to get there early, as tours sell out quickly on busy days. Sentence 2: You should get there early in the morning as tours sell out quickly.  

SOLUTION: yes

PROBLEM: Sentence 1: There was a broken down old TV in the corner, showing the same news report on a loop, over and over again. Sentence 2: The TV was off.

SOLUTION: yes

PROBLEM: Sentence 1: Today, the 15th century Fort of Qait Bey watches over the harbor entrance. Sentence 2: The Fort of Qait Bey was built in the 14th Century and has since been destroyed.

SOLUTION:
yes