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:
Mary laughed at Rebecca when she accidentally slipped and did the splits, so the man looked at _ with pitty. (A) Mary (B) Rebecca

Ex Output:
B


Ex Input:
The doctor Felicia told Maria to do breathing exercises to strengthen her lungs after she caught pneumonia. _ also prescribed her antibiotics. (A) Felicia (B) Maria

Ex Output:
A


Ex Input:
The plants in the yard died because Maria forgot to water them after being asked by Sarah. _ felt guilty. (A) Maria (B) Sarah

Ex Output:

A