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]: Joel spends a lot more time sitting down than Donald because _ works in an office. (A) Joel (B) Donald
[A]: A


[Q]: Eric made a huge investment into the new company but Steven didn't because _ was rich. (A) Eric (B) Steven
[A]: A


[Q]: Treatment was needed for the person's head, but not their back because their _ was feeling terrible. (A) head (B) back
[A]:
A