In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

Example Input: A good conductor of electricity would be (A) tree (B) coke bottle (C) your finger (D) coke can
Example Output: D

Example Input: A prickly pear absorbs nutrients from (A) below it (B) far from it (C) beside it (D) above it
Example Output: A

Example Input: Using less anthracite has a positive impact on the (A) stock market (B) ecosystem (C) coal plants (D) electric companies
Example Output:
B