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]: Natalie 's round figure was in stark contrast to Christine 's slender one since _ neglected to exercise regularly. (A) Natalie (B) Christine
[EX A]: A

[EX Q]: Erin needed Maria's help changing their iPhone and MacBook password because _ was unsure of technology. (A) Erin (B) Maria
[EX A]: A

[EX Q]: John was mad because he waited so long for the cab and had to run after the train. The _ arrived late. (A) cab (B) train
[EX A]:
A