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: But in these obscure aristocratic byways he could not but feel that an officious policeman might stop him to explain matters. Sentence 2: The policeman would be in the right to explain what was going on.  
Example Output: no

Example Input: Sentence 1: Rue Yvonne le Tac leads to the base station of a funicular railway. Sentence 2: there is a railway station at the end of Rue Yvonne le Tac.
Example Output: no

Example Input: Sentence 1: According to program officials, there was little emphasis during development or initial production on using statistical control on critical manufacturing processes. Sentence 2: Program Officials say that there was extreme emphasis and attention on statistical control during development and initial production with respect to critical manufacturing processes.
Example Output:
yes