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: 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: There was an enormous sphere of thin crystal to represent the sky. Sentence 2: The crystal is very expensive and precious.
Example Output: no

Example Input: Sentence 1: The heat was still intense, even behind the stone block, but it was bearable--at least for him. Sentence 2: None of the heat penetrated the stone block.
Example Output:
yes