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").

Input: Consider Input: Which of the following would have best aided a vessel at sea in crossing the sea in the 18th century? (A) A radar system (B) An old soothsayer (C) An experienced navigator (D) A crow's nest

Output: C


Input: Consider Input: What might happen if too much heat is transferred to an object? (A) freezing (B) solidifying (C) burning (D) moving

Output: C


Input: Consider Input: A/an __________________ is reusable (A) liquid soap (B) dish towel (C) band-aid (D) apple


Output: B