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: I'm Jane's first cousin, he explained, returning the lawyer's keen gaze. Sentence 2: "I am Jane's favourite cousin" he said to the lawyer staring at him.

Ex Output:
no


Ex Input:
Sentence 1: The distinction between the two is apparent in Martin Luther King Jr.'s eloquent and moving, I Have a Dream speech, which would have been much less effective had he concluded, Fresh at last, fresh at last, thank God almighty, I'm fresh at last. Sentence 2: I have a dream speech was by Martin Luther King Jr.

Ex Output:
yes


Ex Input:
Sentence 1: but uh i i have one mainly i bought it because i'm in uh taking a lot of courses along with work and  it's very useful in that respect but i hope to do something more with it Sentence 2: I purchased one, largely due to the fact that I am doing numerous courses, for which it is very helpful. 

Ex Output:

yes