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: He must parry opponents' attacks better. Sentence 2: He hadn't practiced parrying techniques recently.

Output: no


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: Starr's failures stemmed not from evil but from errant good. Sentence 2: Starr's failures stemmed not from errant good but from evil.


Output: yes