This is a question with answer options. Goal: To loosen a rusty nut, bolt, or screw that won't budge.

Which of the following methods is more reasonable for accomplishing this goal?

Select from: --Pour some cola on it and dry it off. Repeat as necessary.; --Pour some grape juice on it and dry it off. Repeat as necessary.;...I think the answer is
Pour some cola on it and dry it off. Repeat as necessary.