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:
You can eventually obtain water from a lake even if it's (A) frozen (B) gone (C) evaporated (D) dry

Ex Output:
A


Ex Input:
an area of low-lying ground near to a river is at risk of (A) over fishing (B) balloon landings (C) droughts (D) H20 accumulation

Ex Output:
D


Ex Input:
The quickness of this animal is a key change that allows it to escape attacks from feasting animals: (A) the praying mantis (B) the potato bug (C) antelope (D) the eagle

Ex Output:

C