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.

Ex Input:
Sentence 1: This campaign helps fill that gap in legal services for women who need the help at a time when they are in crisis. Sentence 2: This campaign makes no efforts to help women when they are in a crisis.

Ex Output:
yes


Ex Input:
Sentence 1: In 2000, gross national saving as a share of GDP was 18. Sentence 2: In the year 2000, the total national saving as a part of GDP was 18.

Ex Output:
yes


Ex Input:
Sentence 1: The construction plan could be modified to employ the available or most cost-effective crane. Sentence 2: The most cost-effective crane will be modified into the construction plan.

Ex Output:

yes