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: A rock inscription from Emperor Ashoka indicates that Delhi was a major point on the trade route between the northwest frontier and Bengal in the third century b.c. Sentence 2: Delhi was not a point of trade until the 5th century AD, according to the rock inscription.
Example Output: yes

Example Input: Sentence 1: We thank them for their willingness to participate in our study, for the valuable information and insights they provided, and for their hospitality. Sentence 2: Without their hospitality and insight, we wouldn't have been able to complete our study.
Example Output: no

Example Input: Sentence 1: no i i just do it on TV i have a cassette Sentence 2: I do not have a cassette so I cannot do it on tv.
Example Output:
yes