Q. 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