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:
Plants grow because they (A) decide the time is right (B) can breathe a lot of air (C) use what people breathe out to survive (D) take photos of other plants

Ex Output:
C


Ex Input:
In the desert it was harder to find a (A) stream (B) cactus (C) dry bed (D) canyon

Ex Output:
A


Ex Input:
When we think of bees, we also think of pollen. This is because bees (A) sleep in it (B) consume it (C) sell it (D) live in it

Ex Output:

B