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.

Example Input: Sentence 1: It also gives guidance to the manager who, in reviewing completed case studies, wants to assess their strengths. Sentence 2: The managers frequently are reviewing case studies.
Example Output: no

Example Input: Sentence 1: With two steamers, antiquated artillery, and 94,000 lire in funds, Garibaldi set sail from Genoa with his  Expedition of the Thousand.   Sentence 2: Garibaldi set sail from Lisbon.
Example Output: yes

Example Input: Sentence 1: okay well have a good night Sentence 2: Have a good night.
Example Output:
yes