Assertion (A): The biggest discussion has been on the functioning of the Security Council.
Reason (R): The organization was setup through the signing of the United Nations Charter by 51 states.
In the context of the above two statements which one of the following is correct?

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

Answer: Option B