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.

Example Input: Sentence 1: But it should be done, at once!" He then made a very careful examination of the drawers of the wash-stand.  Sentence 2: He carefully examined the drawers.
Example Output: yes

Example 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.
Example Output: no

Example Input: Sentence 1: It is the city's most popular tourist attraction, and deserves a full day to do it justice. Sentence 2: You need at least a week to tour the city's most popular attraction.  
Example Output:
yes