In a dicot pot herb, vaseline/vegetable oil was applied on the upper surface of one leaf (Experimental leaf 1) and on the lower surface of another leaf (Experimental leaf 2). Vaseline/Vegetable oil was not applied to the control leaf. The plant was deliberately not watered for several days. Which leaf will dry up last?

• A. Experimental leaf 1
• B. Experimental leaf 2
• C. Control leaf
• D. All the leaves will dry up simultaneously