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: Consider Input: Sam looks into a fish pond and points at a goldfish. Sam's grandfather looks where Sam is pointing and tells Sam that the fish is actually in a different location. Which property of light explains why Sam's grandfather is correct?
(A) reflection (B) refraction (C) diffraction (D) absorption

Output: B

Input: Consider Input: Russell wants to observe changes in nature over the next few months. What can a thermometer help Russell investigate?
(A) rainfall amounts each week (B) tiny organisms in pond water (C) the high temperatures each day (D) the amount of growth in a plant

Output: C

Input: Consider Input: One rabbit runs faster than other rabbits in its population. How will the ability to run fast most likely benefit the rabbit?
(A) by keeping the rabbit warmer in the winter (B) by helping the rabbit blend with its environment (C) by allowing the rabbit to find more sources of food (D) by making it easier for the rabbit to escape from predators
Output: D