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: Lake District hunters follow the pack on foot rather than using horses because the incline of the fells is too difficult for horses. Sentence 2: Lake District hunters follow behind on foot.

Output: yes


Input: Consider Input: Sentence 1: The east of the island has most of the estimated ten million olive trees which produce the island's major crop. Sentence 2: There are an estimated ten million olive trees located on the island.

Output: yes


Input: Consider Input: Sentence 1: But you've been on the spot from the first, and you may have picked up some little hints.  Sentence 2: You may have been there from the first, but I doubt you picked up anything.


Output: yes