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: A rock inscription from Emperor Ashoka indicates that Delhi was a major point on the trade route between the northwest frontier and Bengal in the third century b.c. Sentence 2: Delhi was not a point of trade until the 5th century AD, according to the rock inscription.

Output: yes


Input: Consider Input: Sentence 1: GAO will generally provide written notification to the agencies involved in the work electronically in an agreed-upon format that protects the files from alteration. Sentence 2: Agencies involved in the work can request administrator access so they can change the files remotely in special circumstances.

Output: no


Input: Consider Input: Sentence 1: Indiana Legal Services, the primary provider of free legal aid in the state, is facing a $1. Sentence 2: Indiana Legal Services provided free legal help until it shut down.


Output: yes