Q: What is the result of 91 minus 68? A: 
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Q: What is the result of 91 minus 60? A: 
Q: What is the result of 71 minus 68? A: 
Q: What is the result of 91 minus 68? A: 
Q: What is the result of 93 minus 60? A: 
Q: What is the result of 91 minus 68? A: 