You are given a science question (hard-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: Consider Input: A polished metal ball looks very shiny and bright on a sunny day. What makes the ball look shiny?  
 (A) The ball makes light. (B) The ball reflects light. (C) The ball absorbs light and then releases it. (D) The ball absorbs light and keeps it inside.

Output: B


Input: Consider Input: Which question about tulips could best be answered by scientific research?  
 (A) Are tulips better than other flowers? (B) What genes determine tulip petal color? (C) Why do people like to look at tulips? (D) Which color of tulips is the prettiest?

Output: B


Input: Consider Input: The drag of wind results in which feature of ocean surface currents?  
 (A) movement of water away from the equator (B) cyclical variations in the height of high tides (C) reduction in velocity with distance from Earth's poles (D) deflection of water toward the direction of airflow


Output: D