Task: Question Answering
Input (English): Question: The markup on a necklace is 80 percent of the cost. The markup is what percent of the selling price?
(markup = selling price - cost)

 Option A:  8%

 Option B:  10%

 Option C:  44.44%

 Option D:  55%

 Option E:  66 2/3%
Output (English): Option C