In this task, you are given an impractical statement. You are also given three reasons (associated with "A", "B", "C") explaining why this statement doesn't make sense. You must choose the most corresponding reason explaining why this statement doesn't make sense.

Ex Input:
You must go to Tianjin if you want to visit the Forbidden City.
(A) The Forbidden City is very spectacular
(B)The Forbidden City is in the center of Beijing.
(C)The Forbidden City was the Imperial Palace in the past.

Ex Output:
B


Ex Input:
When you go out, you must wear your necklace.
(A) A necklace isn't necessary for you outside.
(B)The necklace will attract others' attention.
(C)The necklace is possible to loss.

Ex Output:
A


Ex Input:
Fishing is my favorite book
(A) this book is about fishing
(B)this book is about the history of fishing
(C)fishing is not a kind of book

Ex Output:

C