Assertion (A): The entries in the three legislative lists are not always set out with scientific precision and definition.
Reason (R): The entries are not power but are only fields of legislation.

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 a correct explanation of A

C. A is true but R is false

D. A is false but R is true

Answer: Option B