You put mass m1 of ice cooled to -20°C into mass m2 of water at 2°C. Both are in a thermally insulated chamber. In the final state of the system:

A. Everything turns to ice at a temperature below 0°C.

B. Everything melts and is at a temperature above 0°C.

C. There is a mixture of water and ice as the final state.

D. The water and ice never reach the same temperature.

E. There is not enough information to find the final temperature.