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:
After 4 new people entered the elevator and 2 people left the elevator, there were 2 times as many people as before. How many people were in the elevator before the changes?
(A)1 (B)2 (C)4 (D)6 (E)8

Ex Output:
B


Ex Input:
In a recent survey, 80 percent of the people polled were registered voters, and 75 percent of the registered voters voted in the last election. What fraction of all those surveyed were registered voters who did not vote in the last election?
(A)\(\frac{1}{10}\) (B)\(\frac{1}{5}\) (C)\(\frac{1}{4}\) (D)\(\frac{4}{5}\) (E)\(\frac{4}{8}\)

Ex Output:
B


Ex Input:
Faisel watches television for a total of three hours. During the first hour, he has his choice of three shows. For each of the second and third hours, he can choose from two shows. How many different schedules of shows can Faisel watch?
(A)3 (B)6 (C)7 (D)8 (E)12

Ex Output:

E