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]: The house owned by Rebecca looked worse than the one of Natalie because _ took care of their bushes. (A) Rebecca (B) Natalie
[EX A]: B

[EX Q]: Lawrence decided he must be a failure to Derrick since _ was the only one cheering. (A) Lawrence (B) Derrick
[EX A]: A

[EX Q]: The healthy man thanked Logan but not Robert because _ helped him change his life and become healthier. (A) Logan (B) Robert
[EX A]:
A