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".

Input: Consider Input: The town was only able to find a source of water and not the oil because the _ was scarce. (A) water (B) oil

Output: B

Input: Consider Input: The author wrote notes on the writing pad with a pen until the _ was full. (A) pen (B) pad

Output: B

Input: Consider Input: The noise canceling headphones were given to Kenneth and taken from Craig because _ had a pounding headache. (A) Kenneth (B) Craig
Output: A