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:
Nick asked Christopher how to focus a camera, since _ had never been able to get the hang of that. (A) Nick (B) Christopher
answer:
A

question:
I prefer slow dance to fast dance as I cannot get closer to my partner with the _ . (A) slow dance (B) fast dance
answer:
B

question:
The brutal boxing match was suitable for Christopher but not Samuel because _ did damage to his opponent. (A) Christopher (B) Samuel
answer:
A