instruction:
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".
question:
Matthew is a public health expert, Justin is not therefore _ would not be best at explaining the danger of mold. (A) Matthew (B) Justin
answer:
B

question:
The carpenter wanted to build a wall, but he didn't have enough bricks. He built a water well instead because the _ required too many bricks. (A) water well (B) wall
answer:
B

question:
Anna had to pull all the sugar from the container into the bowl until the _ was full. (A) container (B) bowl
answer:
B