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.

Ex 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.

Ex Output:
yes


Ex Input:
Sentence 1: yeah yeah it's scary Sentence 2: Eventually you get used to it.

Ex Output:
no


Ex Input:
Sentence 1: This site contains information about NCMA's member services, event calendar, publications, and professional resources. Sentence 2: This information on the NCMA site is for NCMA members.

Ex Output:

no