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]: Nick was given a dose of medication by Matthew because he had a fever. _ checked on him later. (A) Nick (B) Matthew
[EX A]: B

[EX Q]: Joey was careful when he passed by the tack but he managed to scratch himself on the nail because the _ was sharp. (A) tack (B) nail
[EX A]: B

[EX Q]: Kyle helped his parents with some money while Steven bought a new car instead. They were disappointed of _ . (A) Kyle (B) Steven
[EX A]:
B