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             The sequence, MY mistake. ... Not 
              perfect. ... What nerve. ... Something 
              else, helps you maintain your professionalism 
              under trying circumstances. In the following example, a passenger 
              has given a destination south of Market, and the best way to go 
              is to turn left on Grant, left on Geary, left on Stockton, then 
              cross Market. The passenger fiercely pretends he knows a better 
              way, and going along, you eventually find out it's a New York City 
              bluff: 
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