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: Mr. Thompson's class was discussing the topic of convergent boundaries. He asked four students to identify a landform that was formed through the collision of two tectonic plates. Which landform should the students identify as being formed by convergent boundaries?
(A) North American Continent (B) Mid-Atlantic Ridge (C) Hawaiian Islands (D) Marianas Trench
Output:
D