Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to travel down nob hill on the san francisco cable cars [title] Recognize the route system of the trolley in san francisco. [step] 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.

Ending1: The other runs to a stop at the hiv industrial road location facility. [substeps] The four cable cars running north are available in san francisco in times square, on the troubled side of austin and macy's, as well as mycaa, both of which run north, north, east, south, and west. Ending2: On both routes, you must pay admission fees. [title] Leave nob hill and wait for the train. Ending3: [substeps] North pointe/snone/6.1 is the only training system. Due to its high public service stations it may not be able to operate along two routes. Ending4: One ends at the turntable corner of hyde and jefferson (powell-hyde), and the other ends at the turntable corner of mason and bay streets. Meanwhile, the third offers stops at various locations along california street, up and down nob hill.

Answer format: ending1/ending2/ending3/ending4