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: really i'm doing my Master's in in Computer Science and Computer Engineering Sentence 2: I'm due to finish my masters degree in about 9 months.

Ex Output:
no


Ex Input:
Sentence 1: So on the plus side, I was finally losing a little bit of weight. Sentence 2: I was happy to finally be losing weight.

Ex Output:
no


Ex Input:
Sentence 1: To make such a trip you will need either a Chinese visa or a special group-tour permit for Tibet. Sentence 2: You will not need any documentation of any kind to make such a trip. 

Ex Output:

yes