{
    "patterns": [
        "答案是?\\s*([ABCD])",
        "答案是?\\s*：\\s*([ABCD])",
        "答案是?\\s*:\\s*([ABCD])",
        "答案应该?是\\s*([ABCD])",
        "答案应该?选\\s*([ABCD])",
        "答案为\\s*([ABCD])",
        "答案选\\s*([ABCD])",
        "选择?\\s*([ABCD])",
        "故选?\\s*([ABCD])",
        "只有选?项?\\s?([ABCD])\\s?是?对",
        "只有选?项?\\s?([ABCD])\\s?是?错",
        "只有选?项?\\s?([ABCD])\\s?不?正确",
        "只有选?项?\\s?([ABCD])\\s?错误",
        "说法不?对选?项?的?是\\s?([ABCD])",
        "说法不?正确选?项?的?是\\s?([ABCD])",
        "说法错误选?项?的?是\\s?([ABCD])",
        "([ABCD])\\s?是正确的",
        "([ABCD])\\s?是正确答案",
        "选项\\s?([ABCD])\\s?正确",
        "所以答\\s?([ABCD])",
        "所以\\s?([ABCD][.。$]?$)",
        "所有\\s?([ABCD][.。$]?$)",
        "[\\s，：:,]([ABCD])[。，,\\.]?$",
        "[\\s，,：:][故即]([ABCD])[。\\.]?$",
        "[\\s，,：:]因此([ABCD])[。\\.]?$",
        "[是为。]\\s?([ABCD])[。\\.]?$",
        "因此\\s?([ABCD])[。\\.]?$",
        "显然\\s?([ABCD])[。\\.]?$",
        "答案是\\s?(\\S+)(?:。|$)",
        "答案应该是\\s?(\\S+)(?:。|$)",
        "答案为\\s?(\\S+)(?:。|$)",
        "[Tt]he answer is:?\\s+\\(?([ABCD])\\)?",
        "[Tt]he answer is option:?\\s+\\(?([ABCD])\\)?",
        "[Tt]he correct answer is:?\\s+\\(?([ABCD])\\)?",
        "[Tt]he correct answer is option:?\\s+\\(?([ABCD])\\)?",
        "[Tt]he answer to the question is:?\\s+\\(?([ABCD])\\)?",
        "^选项\\s?([ABCD])",
        "^([ABCD])\\s?选?项",
        "(\\s|^)[ABCD][\\s。，,：:\\.$]",
        "(\\s|^)[ABCD](\\s|$)",
        "1.\\s?(.*?)$",
        "1.\\s?([ABCD])[.。$]?$"
    ]
}