There are two statements, one labelled as the Assertion [A] and other as Reason [R]. Examine these two statements carefully and select the correct answer by using the codes given below: Assertion [A]: According to Nova hypothesis. Solar planets were formed because of explosion of Super Nova. Reason [R]: A star becomes Super Nova in that stage when it has lack of hydrogen element.

• 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.