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's no question about it because everybody was playing good together except the quarterbacks and the quarterbacks just didn't do anything Sentence 2: Nobody on the team works well together at all.

Output: yes


Input: Consider Input: Sentence 1:  The old man sighed, his face slumping into lines of fatigue and age. Sentence 2: The man was tired from his old age.

Output: yes


Input: Consider Input: Sentence 1: Rather it may serve to delay the conception of a rival for maternal resources--both directly (by literally coming between Mom and Dad) and indirectly (by tending to prolong breast-feeding and, therefore, to suppress ovulation for a longer period). Sentence 2: It may serve to delay, directly or indirectly the conception of a rival for maternal resources, said the doctor.


Output: no