Consider the following statements and select the correct answer from the codes given below: Assertion [A]: Equatorial counter current is not found in the Indian ocean during summer season. Reason [R]: During summer season south-west monsoon current is dominant in northern Indian Ocean.

• 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.