Given below are two statements labeled as Assertion (A) and reason (R)
Assertion (A): Time plan must be flexible and practical.
Reason(R): At the time of emergency, it can be changed.
Select the most appropriate answer from the options given below:
a. Both A and R are true and R is the correct explanation of A.
b. Both A and R are true but R is not the correct explanation of A.
c. A is true but R is false.
d. A is false but R is true.