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.
Nob hill is not visible from the third cable car route.
( z1 see :polarity - :ARG0 ( z2 route :mod ( z3 car :mod ( z4 cable ) :ord ( z5 ordinal-entity :value 3 ) ) ) :ARG1 ( z6 hill :name ( z7 name :op "Nob" :op "Hill" ) ) )