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:
Rebecca showed Jennifer how to heal a fever by herself.  _ sure was knowledgeable. (A) Rebecca (B) Jennifer
answer:
A


question:
Nelson brought a list of stomach symptoms he'd experienced to Randy, but _ never looked at them. (A) Nelson (B) Randy
answer:
B


question:
Justin ate a lemon while Lawrence ate a cookie, so _ ended up with a sour taste in their mouth. (A) Justin (B) Lawrence
answer:

A