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: Citicorp could have agreed to market Travelers insurance or Salomon brokerage services, and vice versa, without actually becoming one company. Sentence 2: Citicorp had the opportunity to market the insurance companies without merging.

SOLUTION: yes

PROBLEM: Sentence 1: Batalha Abbey (see page 45) was built in gratitude. Sentence 2: As a showing of thanks, Batalha Abbey was constructed.

SOLUTION: yes

PROBLEM: Sentence 1: Newsweek answers its own cover line with an optimistic yes. Sentence 2: Newsweek agrees with its cover line just like most of the public.

SOLUTION:
no