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.

Input: Consider 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.

Output: no


Input: Consider Input: Sentence 1: A guided boat trip will also give an excellent introduction, displaying in leisurely fashion ' and with informative commentary ' sites including the Eiffel Tower, the Palais de Chaillot and Trocad??ro Gardens, the Grand and Petit Palais, the Palais Bourbon, the Louvre, Notre-Dame, and of course many of the beautiful bridges. Sentence 2: Commentary on the Eiffel Tower can be received on guided boat trips.

Output: yes


Input: Consider Input: Sentence 1: Under modern governance theory, the board works for the shareholders and the CEO works for the board. Sentence 2: The board and CEO do not maintain a working relationship.


Output: yes