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: John and Jack are in a dead lifting competition. John has a strong powerful back and Jack has a thin weak back. Question: Who will dead lift the least amount of weight? (A) Jack (B) John
Jack