Task: Question Answering
Input (English): Problem: in a certain game, each player scores either 2 points or 5 points. if n players score 2 points and m players score 5 points, and the total number of points scored is 50, what is the least possible positive difference w between n and m ?
Options: a. 1, b. 3, c. 5, d. 7, e. 9
Output (English): b