Task: Question Answering
Input (English): Question: Walking across campus, a student interviewed a group of students. 25% of the students took a finance class last semester, 51% took a marketing class last semester, and 40% took neither a finance nor a marketing class last semester. What percent of the students in the group took both a finance and a marketing class?

 Option A: 60%

 Option B: 50%

 Option C: 25%

 Option D: 16%

 Option E: 10%
Output (English): Option D