Definition: You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
Input: Deer eat different types of plants in an ecosystem. Which method would best show the percentages of the plant types in the deer diet?
(A) pie chart (B) bar graph (C) line graph (D) scatterplot
Output:
A