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: The jack ended up being helpful, but the tire wasn't, because the _ was the wrong size. (A) jack (B) tire
A:
B