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: This element focuses on the executive's performance towards the balanced scorecard targets at the regional office and national levels, in addition to specific performance priorities with corresponding targets. Sentence 2: The executive's performance needs to be unbalanced.
Example Output: yes

Example Input: Sentence 1: Unhappy with USC's attempt to include conventional classical music in the institute's music courses and concerts, Schenberg's descendants successfully sued USC for neglecting its contract with the institute. Sentence 2: USC tried to eliminate conventional classical music from the institute's music classes.
Example Output: yes

Example Input: Sentence 1: These intriguing horseshoe-shaped valleys nestle like narrow amphi?­theaters against abrupt rocky cliffs, making rewarding destinations for a pleasant day's hike. Sentence 2: One can hike to narrow horseshoe-shaped valleys in a day.
Example Output:
yes