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: Below, we describe our efforts during on-site visits and in the competition process to achieve this goal. Sentence 2: Under this statement you shall find our efforts during on site visits.
Example Output: no

Example Input: Sentence 1: I do not consider this a deterioration (this article has an average of 17 words per sentence), but it does reflect the change in the size and character of the audience and in the means of communication. Sentence 2: The size and characteristics of articles has changed, but the author does not feel this to be a deterioration.
Example Output: yes

Example Input: Sentence 1: He was curled up in a ball, lying between carriages, and about as badly hurt as a living thing can be. Sentence 2: He was still alive, despite his extensive injuries. 
Example Output:
yes