Which is a statement of the Second Law of Thermodynamics?

Various statements on 2nd law of thermodynamic
(1) Internal energy of a closed system is increased by an adiabatic process the volume of system remain constant.
(2) Every process occurring in nature proceeds in the sense in which the sum of the entropies of all  body taking part in process is increased.
(3) Heat can never pass from colder to a warmer body without some other change, connected there with occurring at the same time.