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: What is an example of protecting the environment? (A) flushing the toilet twice (B) using water flow limiter (C) driving shorter trips more often (D) using fancy, more expensive paper
Example Output: B

Example Input: Jenny was outside facing her house holding a compass. The needle of the compass was facing her house. Staying in one place she turned around and around, stopping several times. She noticed that whichever way she faced (A) the compass's needle was facing straight ahead (B) the compass's needle was facing the house (C) the compass's needle was facing her back (D) the compass's needle was facing the west
Example Output: B

Example Input: If a blind person needs to know which cat has long hair and which has short hair, they can (A) look at it (B) hear it (C) grab it (D) smell it
Example Output:
C