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: But the data on marine casualties indicated that accidents were often caused, not by deficiencies in the vessels or other factors, but by human error. Sentence 2: The data on marine casualties showed that accidents were often caused machine failure.

Ex Output:
yes

Ex Input:
Sentence 1: it really changed my lifestyle and kept me from just having a you know easy access to current music and so i did like i say tend to go back to albums and cassettes and things that i had already had purchased but we don't have a CD yet do you Sentence 2: I have an extensive tape collection of oldies.

Ex Output:
no

Ex Input:
Sentence 1: The atmosphere of 19th-century Canton is best evoked on Shamian Island, a haunting, nostalgic place in the Pearl River. Sentence 2: Shamian Island is located away from the Pearl River.

Ex Output:
yes