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: His old eyes bored into the younger man, and he nodded. Sentence 2: He did not look at the younger man.

Ex Output:
yes


Ex Input:
Sentence 1: The publication also reports that Anderson plans to go ahead with her divorce and feels she can never forgive Lee. Sentence 2: Anderson has fully forgiven Lee and will not go through with a divorce.

Ex Output:
yes


Ex Input:
Sentence 1: After World War II it was taken over by the Occupation for military housing and nicknamed Washington Heights, then redeveloped as the Olympic Village site for the 1964 Tokyo Olympic Games. Sentence 2: It earned the nickname 'Washington Heights' after the Second World War. 

Ex Output:

yes