<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def parse(self, text):
 """Parse self.text. Args: text (str):
 the text to lex Returns: object: a node representing the current rule. """

        tokens = self.lex(text)
        parser = Parser(tokens)
        return parser.parse()