Given the task definition and input, reply with output. You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.

Sentence: When Jason looked out his window, it looked like his neighbor's lights were operating at half the power that his own lights were. Question: What could explain this? (A) the neighbors are farther away (B) the neighbors are closer
the neighbors are farther away