Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R):
Assertion (A): The transformation of the party system in India has centralized power at tier two of the government, namely at the State level.
Reason (R): Regional parties have less willingness to decentralize power.

A. Both (A) and (R) are true and (R) is 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

Answer: Option A