In this task, you are given a question containing a blank (_) and two options. You should pick the best option to answer the question. Please answer with "A" or "B".

Ex Input:
The chickens of Jason lay a few eggs, but Matthew gets a lot from them. _ 's chickens are unhealthy. (A) Jason (B) Matthew

Ex Output:
A


Ex Input:
The man bought the contacts instead of a pair of glasses because the _ were cheaper. (A) contacts (B) glasses

Ex Output:
A


Ex Input:
The river water in the field was putrid, but it was clear in the mountain, as it was stagnant in the _ . (A) field (B) mountain

Ex Output:

A