In Class C controlled airspace (typically surrounding major terminal aerodromes), what air traffic control separation services are provided by the controller?

1. IFR flights are separated from other IFR flights and from VFR flights; VFR flights are separated from IFR flights and receive traffic information regarding other VFR flights.
2. No separation is provided to any aircraft.
3. VFR flights are separated from other VFR flights, but IFR flights receive no separation.
4. Separation is provided only to military supersonic aircraft.