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".

Kevin had a good relationship with their brother but not Hunter because _ was an inconsiderate sibling. (A) Kevin (B) Hunter
B

Laura is very talkative at parties when being compared to Rebecca, so _ is more energetic. (A) Laura (B) Rebecca
A

To properly diagnose this condition, the doctor removed the stethoscope and got the thermometer, as the _ was vital in finding the symptoms. (A) stethoscope (B) thermometer

B