Task: Question Answering
Input (English): Question: A school currently maintains a fixed number of students per class. If the ratio of students per class were to be increased by 1, 10 fewer classes would be run for a total of 120 students. What is the current ratio W of students per class?

 Option A: W=3

 Option B: 4

 Option C: 6

 Option D: 8

 Option E: 12
Output (English): Option A