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 red wine stain stood out on the white carpet because the _ was very light. (A) stain (B) carpet
[EX A]: B

[EX Q]: To shave his head, Bob asked that scissors be used instead of razors because his skin was too sensitive to the _ . (A) razors (B) scissors
[EX A]: A

[EX Q]: Matthew but not Brian had to go to the dentist because _ had a broken tooth in their mouth. (A) Matthew (B) Brian
[EX A]:
A