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: I put the pen away and used a pencil to write my letter, as the _ worked poorly with the paper. (A) pen (B) pencil

SOLUTION: A

PROBLEM: Betty accused Lindsey of cheating, because _ had gone out of their way to break the rules. (A) Betty (B) Lindsey

SOLUTION: B

PROBLEM: The chickens of Jason lay a few eggs, but Matthew gets a lot from them. _ 's chickens are unhealthy. (A) Jason (B) Matthew

SOLUTION:
A