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.

Input: Consider Input: Sentence 1:  The old man sighed, his face slumping into lines of fatigue and age. Sentence 2: The man was tired from his old age.

Output: yes


Input: Consider Input: Sentence 1: i wish i had some to spend Sentence 2: I wish I had time to spend swimming

Output: no


Input: Consider Input: Sentence 1: The attitude expressed by Emperor Qianlong at Britian's first attempt to open trade with China in 1793 continued to   We possess all things,  said the emperor,  I set no value on objects strange or ingenious, and have no use for your country's manufactures.  Sentence 2: Britain first attempted to open trade with China in the 1400's and was accepted.


Output: yes