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:
Erin invited Laura on walks to improve circulation in their feet, since _ already had bad habits of exercising. (A) Erin (B) Laura

Ex Output:
B


Ex Input:
Patricia was a worse detective than Erin, and this showed when _ caught more criminals. (A) Patricia (B) Erin

Ex Output:
B


Ex Input:
I went to park my boat in the local marina but I couldn't because the _ was too full. (A) marina (B) boat

Ex Output:

A