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: For purposes of this exercise, there are at least seven categories of costs and four benefits that might be reviewed. Sentence 2: There are no more than six categories of costs to be reviewed for this exercise.
Example Output: yes

Example Input: Sentence 1: (By contrast, Slate 's assessment relies entirely upon sources who are not identified by name.) Sentence 2: The names and origin of Slate's sources are not known.
Example Output: yes

Example Input: Sentence 1: LSC also solicited input from leaders in the area of intake systems and presented the draft characteristics during a workshop on Best Practices at the March ABA/NLADA Equal Justice Conference. Sentence 2: LSC also solicited input from leaders in the area of intake systems.
Example Output:
yes