Assertion (A) : Last traces of moisture in EtOH can be removed by putting sodium wires in it.
Reason (R) : Sodium reacts with water to produce `H_(2)`.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true and R is not a correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.