Read the text and determine if the sentence is true:

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.

Sentence: A third of the San Francisco trolley routes do not go over nob hill.
Yes