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.

Raphael just bought a piece of furniture from a store that sells only sofas and chairs. Which of the following must be true?
(A)The piece of furniture is a sofa. (B)The piece of furniture is a chair. (C)The piece of furniture is not a leather sofa. (D)The piece of furniture is not a wooden chair. (E)The piece of furniture is not a wooden table.
E