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".

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

The police were looking for Neil and not Nelson, by reason that _ was an unwanted person. (A) Neil (B) Nelson
B

Robert made the choice to buy Neil's house, so _ had a lot more money in the bank afterwards. (A) Robert (B) Neil
B