Instructions: 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.
Input: Sentence: Patricia couldn't read in bed very well when she relied on her nighstand lamp, which didn't throw off much illumination from its fixed location. She solved that problem by buying a clip on light which attached directly to the book she was reading and illuminated it beautifully. Question: Which light source was closer to Patricia's book? (A) The nightstand lamp (B) The clip on light
Output:
The clip on light