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").

Ex Input:
With extended feet, this creature may grab bass from overhead. (A) bees (B) shark (C) sparrow (D) eagle

Ex Output:
D


Ex Input:
Which two objects would electricity best flow through? (A) a tin can and a plastic fork (B) a steel beam and a soda can (C) an eraser and a wooden pencil (D) human skin and rubber gloves

Ex Output:
B


Ex Input:
The cell of a plant when photosynthesizing may most require (A) access to roofless space (B) a complete vacuum in space (C) a room with blackened windows (D) dark basement living quarters

Ex Output:

A