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: There was an enormous sphere of thin crystal to represent the sky. Sentence 2: The crystal is very expensive and precious.
Example Output: no

Example Input: Sentence 1: The rue des Francs-Bourgeois ends at what most agree is the loveliest residential square in Paris, place des Vosges. Sentence 2: The rue des Francs-Bourgeois ends at an alley with a smelly dumpster.
Example Output: yes

Example Input: Sentence 1: Personal saving now can contribute substantially to future retirement income, as illustrated in figure 1.5. Sentence 2: You should save 5,000 a year for a solid retirement saving.
Example Output:
no