<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def reply(self, text, markup=None, parse_mode=None):
 """ Reply to the message this `Chat` object is based on. :param str text: Text of the message to send :param dict markup: Markup options :param str parse_mode: Text parsing mode (``"Markdown"``, ``"HTML"`` or ``None``) """

        if markup is None:
            markup = {}

        return self.send_text(
            text,
            reply_to_message_id=self.message["message_id"],
            disable_web_page_preview="true",
            reply_markup=self.bot.json_serialize(markup),
            parse_mode=parse_mode,
        )