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]: John cleaned his new car with a damp towel and this got the _ very dirty. (A) towel (B) car
[A]: A


[Q]: Ryan was going to receive his bbq dinner from Michael but it fell to the floor when _ tripped and the paper plate folded under the weight of the food. (A) Ryan (B) Michael
[A]: B


[Q]: The summer camp counselor, Amy, gave lessons to Katrina because _ was an eager student. (A) Amy (B) Katrina
[A]:
B