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]: The author wrote notes on the writing pad with a pen until the _ was full. (A) pen (B) pad
[A]: B


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


[Q]: Jen went to the store to get shampoo and toothpaste. She chose to use the _ as soon as she got home because she loved her mouth feeling dirty. (A) toothpaste (B) shampoo
[A]:
B