%_Assertion A : Normally turpentine oil is recommended as thinner for indoor painting.Reason R : Turpentine oil is costlier than other thinners.Select your answer according to the coding system given below:_%

• A. Both A and R is true and R is the correct explanation of A
• B. Both A and R is 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