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".

Example Input: Justin boasted to Aaron that he was going to play hockey without wearing an athletic cup.  _ was dumbfounded. (A) Justin (B) Aaron
Example Output: B

Example Input: Jason was quite short but Derrick was really tall. _ didn't have to stand on a stool to reach the top shelf. (A) Jason (B) Derrick
Example Output: B

Example Input: Unfortunately, Nelson lost all his money when the real estate market crashed while Neil did not because _ invested all his money in real estate. (A) Nelson (B) Neil
Example Output:
A