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: They were highly skilled in such manual activities as thatching and weaving. Sentence 2: There were no skills.

Ex Output:
yes

Ex Input:
Sentence 1: As previously noted, LSC reissued its CSR instructions to all grantees, calling attention to problem areas known at that time. Sentence 2: LSC never reissued CSR instructions.

Ex Output:
yes

Ex Input:
Sentence 1: After the conquest of 1898 the first US military governor ordered that the name be spelled Porto Rico. Sentence 2: The military governor had long standing problems with spelling.

Ex Output:
no