Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): Parchmentizing produces both opaque and transparent areas on cellulosic fabrics.
Reason (R): Acid resistant substance printed on the fabric prior to the acid treatment produces a design with both opaque and transparent areas.
In light of the above statements, choose the most appropriate answer from the options given below: