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: Stacey and Marilyn are driving down the interstate at night and need to gas up their car. They sight a gas station sign that looks very dim and becomes more easily visible as they drive. Question: When does the sign look more luminous? (A) when it's far off (B) when it's nearby
when it's nearby