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]: Katrina trained Tanya to do aerobic exercise because _ was a trainer in great shape. (A) Katrina (B) Tanya
[A]: A


[Q]: Michael tried to cure his jaundice with bright sunlight, but the _ was just too weak. (A) jaundice (B) sunlight
[A]: B


[Q]: When it comes to cooking, Elena takes more time to prepare food than Sarah because _ pay more attention to details. (A) Elena (B) Sarah
[A]:
A