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".
One example is below.
Q: Katrina gave Christine a stuffed animal for their birthday, but _ already had this one. (A) Katrina (B) Christine
A: B
Rationale: Since the blank is someone who received the gift and already had a stuffed animal, the answer must be "Christine".
Q: Angela was better suited to conduct the science experiment than Katrina because _ was more disciplined. (A) Angela (B) Katrina
A:
A