Detailed Instructions: 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: With a proud octagonal tower that rises out of the top of the structure, it was built to mark the passage of the Emperor Humayun after his defeat in the 1540s. Sentence 2: The octagonal tower was made to symbolize the eight years Emperor Humayan spent at war.
A:
no