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.

[Q]: 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.
[A]: yes


[Q]: Sentence 1: Something is drawing them up from all over the planet."  Later, half a square mile of the shell cracked off. Sentence 2: Once the shell completely cracks, they will keep coming to end mankind.
[A]: no


[Q]: Sentence 1: Since the revaluation does not affect obligations incurred but does affect net cost, an amount equal to the revaluation is recognized in determining the reconciliation between obligations incurred and net cost of operations. Sentence 2: The operation has a wide variety of obligations incurred.
[A]:
no