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: There are in fact four separate schools within the structure and each one has its own portal and inner courtyard. Sentence 2: Each of the four schools has its own portal and courtyard.

Output: yes

Input: Consider Input: Sentence 1: Upper Egypt was the heartland of the Kingdom at the peak of its power and influence, and the remains of its ancient cities form one of the most important and breathtaking archaeological collections in the world. Sentence 2: Upper Egypt was never actually in Egypt.

Output: no

Input: Consider Input: Sentence 1: Was Spain's sole contribution to history really the invention of cannibalism? Surely treachery was not universal amongst the Ancient French? And let's be honest- everyone knows the Swiss penchant for neutrality. Sentence 2: Was Spain's historical contribution what started cannibalism?
Output: yes