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

Example Input: Rebecca showed Jennifer how to heal a fever by herself.  _ sure was knowledgeable. (A) Rebecca (B) Jennifer
Example Output: A

Example Input: The prestigious scholarship is awarded to Laura, instead of Katrina, so _ is likely dumber. (A) Laura (B) Katrina
Example Output:
B