doc_to_text: "{% set letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' %}Given the following question and candidate answers, choose the best answer.\nQuestion: {{question.strip()}}\n{% for choice in options %}{{letters[loop.index0]}}. {{choice}}\n{% endfor %}\nYour response should end with \"The best answer is [the_answer_letter].\" where the [the_answer_letter] is a letter from the provided choices.\n\nLet's think step by step."