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:
Though they both owned guitars Rebecca actually played while Amy didn't because _ knew how to read music. (A) Rebecca (B) Amy

Ex Output:
A


Ex Input:
Monica was helping Emily to lose weight because _ was obese previously and needed help. (A) Monica (B) Emily

Ex Output:
A


Ex Input:
Mary worked out constantly but Kayla hardly ever works out. _ has very little stamina. (A) Mary (B) Kayla

Ex Output:

B