Given below are two statements, one labelled as Assertion A and the other labelled as Reason R.Assertion A: The process of urbanisation during the sultanate period led to social mobility among craftsmen in the urban centres.Reason R: The artisans and craftsmen considered low caste in the Hindu social system could now live even in the vicinity of the ruling elite.In the context of the above statements, which one of the following is correct?Codes:

• 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.