TASK DEFINITION: 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".
PROBLEM: The gym trainer was teaching everybody how to get bigger arms before legs, since the _ are stronger. (A) arms (B) legs

SOLUTION: B

PROBLEM: Mailing a letter was easy for Kevin but not Brett because _ had a post office near his house. (A) Kevin (B) Brett

SOLUTION: A

PROBLEM: Katrina makes very tasty roast recipes while Cynthia doesn't, so _ is discouraged to cook more. (A) Katrina (B) Cynthia

SOLUTION:
B