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: 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.
Example Output: no

Example Input: Sentence 1: WHO defines hazardous drinking as 4 or more drinks/day for men and 2 or more drinks/day for women. Sentence 2: WHO says drinking more than 14 drinks a day is bad for men.
Example Output: yes

Example Input: Sentence 1: Poirot had walked over to the mantel-piece.  Sentence 2: He went over to look at a photo.
Example Output:
no