instruction:
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".
question:
Monica was helping Emily to lose weight because _ was obese previously and needed help. (A) Monica (B) Emily
answer:
A

question:
Mary converted to Christianity and asked Erin about how to pray as a Christian because _ was previously an Atheist. (A) Mary (B) Erin
answer:
A

question:
Rachel offered to teach Monica to play the harmonica as _ was an expert at it. (A) Rachel (B) Monica
answer:
A