ast = {
    {
        {"bg", file = "black", path = ":bg/", time = 250},
        {"select", file = "flow_fb01", text = "このシナリオの頭から読み返す"},
        {"select", label = "select02", text = "選択肢から再開する"},
        {"select", mode = "hide"}
    },
    {
        {"bg", file = "bg23a", path = ":bg/"},
        {"bgm", file = "bgm01"},
        {"excall", file = "02_b_01", label = "flow_select"}
    },
    text = {
        [1] = {
            select = {"从这个场景的开头重新阅读", "从选项继续"}
        }
    },
    label = {
        select02 = {block = 2, label = 1}
    }
}
