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: On the previous day, the prisoner had purchased strychnine at the village chemist's shop, wearing a disguise by means of which he hoped to throw the onus of the crime upon another man ”to wit, Mrs. Inglethorp's husband, of whom he had been bitterly jealous.  Sentence 2: The prisoner purchased poison at the village's chemist shop.
Example Output: yes

Example Input: Sentence 1: Home Town , by Tracy Kidder (Random House). Sentence 2: Home Town was written by Tracy Kidder
Example Output: yes

Example Input: Sentence 1: Inevitably, reporters run out real questions and start asking McCain why he likes talking to them so much. Sentence 2: McCain is always trying to avoid the media.
Example Output:
yes