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: seven o'clock so you all are behind us Sentence 2: You are in front of us.
Example Output: yes

Example Input: Sentence 1: I watched over her.  Sentence 2: Jason also watched over her.
Example Output: no

Example Input: Sentence 1: Two good places to witness the rush-bearing ceremony are St. Mary's Parish Church in Ambleside (4 July) and Grasmere Parish Church in Grasmere (1 August). Sentence 2: The rush-bearing ceremony can be seen in the first week of every month.
Example Output:
no