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]: I tried to pour the new paint into the old bucket, but it didn't fit because the _ was too much. (A) paint (B) bucket
[A]: A


[Q]: Jenny found that using peroxide instead of toothpaste on her teeth gave her a better smile, because with _ her teeth were browner. (A) peroxide (B) toothpaste
[A]: B


[Q]: Jen bought new glass bottles for her baby to replace the plastic bottles she wanted to be able to see the milk. The _ obscure. (A) glass bottle (B) plastic bottle
[A]:
B