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: In addition, GAO has said the national strategy development and implementation should include 1) a regular update of a national-level threat and risk assessment effort, 2) formulate realistic budget and resource plans to eliminate gaps, avoid duplicate effort, avoid hitchhiker spending, and protect against federal funds being used to substitute for funding that would have occurred anyway, 3) coordinate the strategy for combating terrorism with efforts to prevent, detect, and respond to computer-based attacks, 4) coordinate agency implementation by reviewing agency and interagency programs to accomplish the national strategy, and 5) carefully choose the most appropriate policy tools of government to best implement the national strategy and achieve national goals. Sentence 2: GAO does not deal with terrorism control.
Example Output: yes

Example Input: Sentence 1: Matthew: The political use of a gay man's gruesome death. Sentence 2: The deaths of gay men are becoming too politicized nowadays.
Example Output: no

Example Input: Sentence 1: You can rent a taxi for the day not cheap, but negotiable. Sentence 2: Taxi rent is negotiable but not inexpensive.
Example Output:
yes