Pressurized water reactor (PWR) nuclear power plants use

Question

Assertion (A): Pressurized water reactor (PWR) nuclear power plants use superheated steam         

Reason (R): An increases in the superheat at constant pressure increases the cycle efficiency

1. Both A and R are indidually true and R is the correct explanation of A
2. Bothe A and R are individually true but R is not the correct explanation of A
3. A is true but R is false
4. A is false but R is true