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: While a cost-per-case analysis is limited in that it only addresses quantity, and not quality of services, it does provide some useful quantitative information. Sentence 2: Only quantity is examined, not quality.

Output: yes


Input: Consider Input: Sentence 1: In America a new organization was formed, the Irish Republican Brotherhood, known as the Fenians. Sentence 2: The Irish Republican Brotherhood was formed in Ireland.

Output: yes


Input: Consider Input: Sentence 1: The people farmed and fished; on the dawning of the Bronze Age in 2700 b.c. , they began to work with metals. Sentence 2: The people farmed until they learned to use metals.


Output: yes