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: I will be back as soon as I can."  Sentence 2: I will return as soon as possible.

Ex Output:
yes


Ex Input:
Sentence 1: GAO will generally provide written notification to the agencies involved in the work electronically in an agreed-upon format that protects the files from alteration. Sentence 2: Agencies involved in the work can request administrator access so they can change the files remotely in special circumstances.

Ex Output:
no


Ex Input:
Sentence 1: They were highly skilled in such manual activities as thatching and weaving. Sentence 2: There were no skills.

Ex Output:

yes