You are given a mathematical question described with an open-ended vocabulary. Questions in this task involve real-world situations, describing a mathematical problem. You are also given 4 or 5 answer options (associated with "A", "B", "C", "D", "E"). Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D', 'E'. LaTeX mathematical format (the standard way to express mathematical expressions in the typesetting software known as LaTeX) is used to express equations. Each question is solvable with high school math knowledge. Give only one answer for each question.

Ex Input:
If 24 of the 40 students in a club are girls, what is the ratio of boys to girls in the club?
(A)2 : 5 (B)3 : 5 (C)2 : 3 (D)3 : 2 (E)5 : 2

Ex Output:
C


Ex Input:
At a certain restaurant, there are 25 tables and each table has either 2 or 4 chairs. If there is a total of 86 chairs accompanying the 25 tables, how many tables have exactly 4 chairs?
(A)9 (B)12 (C)15 (D)18 (E)21

Ex Output:
D


Ex Input:
The distance between Ali's house and college is exactly 135 miles. If she drove \(\frac { 2 } { 3 } \) of the distance in 135 minutes, what was the average speed, in miles per hour?
(A)40 (B)45 (C)60 (D)67.5 (E)75

Ex Output:

A


