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]: Neil's wife is thinking of cheating on him, while Ian's is not because _ is a dutiful husband. (A) Neil (B) Ian
[EX A]: B

[EX Q]: Eve found that the plants in the greenhouse thrived through the frost while the ones in the garden died, because the _ was colder. (A) greenhouse (B) garden
[EX A]: B

[EX Q]: Joel is on his final year and asks for help from his lecturer Joseph about doctorate, because _ already has a PhD. (A) Joel (B) Joseph
[EX A]:
B