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:
Logan asked Brian to help him with the algebra for _ was easily passing the class. (A) Logan (B) Brian

Ex Output:
B

Ex Input:
rhododendrons are easy to prune but roses are not because the _ are very ill natured. (A) rhododendrons (B) roses

Ex Output:
B

Ex Input:
Benjamin was always ahead of Samuel, as _ walked with the walk turning into a slight run. (A) Benjamin (B) Samuel

Ex Output:
A