How to travel down nob hill on the san francisco cable cars<br>Recognize the route system of the trolley in san francisco. The cable cars (or trolleys) run on three routes. Two of these routes begin at the powell & market turntable; they both run over nob hill.
Two out of three San Francisco trolley routes run over nob hill.
( z1 run :ARG1 ( z2 route :quant 2 :ARG1-of ( z3 include :ARG2 ( z4 route :quant 3 :mod ( z5 trolley ) :mod ( z6 city :name ( z7 name :op "San" :op "Francisco" ) ) ) ) ) )