The 858N train service operates between which two terminals?

The 858N train service operates between the 86th Street and South Ferry terminals. This route is notable for connecting key areas of the city and providing access to essential services and attractions, especially in the vicinity of South Ferry, which is close to the southern tip of Manhattan and offers access to ferries and other transit options.

In the context of the terminal options provided, the correct pairing highlights the important travel corridor served by the 858N train. The other terminals mentioned do not represent the correct endpoints of the 858N service, as they either lead to neighborhoods that are not serviced by this train or do not connect to the critical route this train operates.