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: (Note the defiant man. Sentence 2: Take notice of the defiant man. 
Example Output: yes

Example Input: Sentence 1: In an attempt to counter a threat from the Saracen Muslims, a new potent religious force from the East, the Byzantine army forcefully enlisted the men of the islands. Sentence 2: The Saracen Muslims would have easily taken over Byzantium if not for the draft.
Example Output: no

Example Input: Sentence 1: West of Daisen-in is the Juko-in monastery, where Sen no Rikyu, the founder of the tea ceremony and its most celebrated master, is buried. Sentence 2: The tea ceremony was spread all over Japan over the next century.
Example Output:
no