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".

[EX Q]: The spreadsheet at the investing business had to be redone because the _ was focused on accuracy. (A) spreadsheet (B) business
[EX A]: B

[EX Q]: They did not get enough paint to finish painting the whole house. The _ was unavailable. (A) Paint (B) House
[EX A]: A

[EX Q]: Betty is at the store buying products where Sarah has worked for ten years, _ is selling goods. (A) Betty (B) Sarah
[EX A]:
B