Detailed Instructions: 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: Surely we ought to secure the document, that is, provided the young man's guess turns out to be correct, at once. Sentence 2: If the man is correct, there is no need to secure the document.
Solution:
yes