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]: Samantha gave a special ice cream treat to Betty, so _ walked around with an empty hand. (A) Samantha (B) Betty
[EX A]: A

[EX Q]: The lady's vacuum worked a lot better on the carpet than the broom, because the _ was powerful. (A) vacuum (B) broom
[EX A]: A

[EX Q]: Natalie was shy at work while Kayla was very assertive, so _ rarely shared her ideas at meetings. (A) Natalie (B) Kayla
[EX A]:
A