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: They stood again, tips to the sky and left hands out in salute. Sentence 2: They were waving their right hands. 

SOLUTION: yes

PROBLEM: Sentence 1: The agency reports that any substantive comments or changes made during the review have been incorporated into the final rule. Sentence 2: The agency says substantive comments made in the review don't have to be included in the final rule.

SOLUTION: yes

PROBLEM: Sentence 1: Just a couple of hundred yards north of the Sao Francisco gardens, the streets rise sharply. Sentence 2: The streets rise north of the Sao Francisco gardens.

SOLUTION:
yes