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.

[EX 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.
[EX A]: yes

[EX Q]: Sentence 1: but uh i guess the hardwoods are probably the biggest thing we have are our hard maple and hard oak and and the the evergreens Sentence 2: We also have a green, hard grassland.
[EX A]: no

[EX Q]: Sentence 1: The Administration intends to address this challenge in that context, and will leverage our national resources to enhance our scientific understanding of global climate change, and develop the advanced energy technologies that the world will need in coming decades to meet its energy and environmental needs. Sentence 2: The intent of the Administration is to challenge in that context and leverage our nation resources in order to enhance our understanding of climate change and develop energy technologies.
[EX A]:
yes