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".

[Q]: As a treat, the rich husband presented his wife a new car instead of a purse since the _ was more usable. (A) car (B) purse
[A]: A

[Q]: When we dissolved our partnership, Bill took my stapler and my garbage bin; the joke's on him because the _ was full when he took it. (A) stapler (B) bin
[A]: B

[Q]: The track had a bad surface for the sprints, but was ideal for the marathons. It's conditions were poor for the _ . (A) sprints (B) marathons
[A]:
A