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]: Sarah took their bird to Rachel at the vet office, but _ thought their bird was acting normally. (A) Sarah (B) Rachel
[EX A]: B

[EX Q]: Luke preferred to have the firearm and not a knife for protection because the _ was safer. (A) firearm (B) knife
[EX A]: A

[EX Q]: It was easier for Linda to sort out the mess in the kitchen than in the bathroom because the _ was dirtier. (A) bathroom (B) kitchen
[EX A]:
A