@staticmethod
def isOrganization(surfaceForm: str) ->bool:
    """
        The isOrganization method takes a String surfaceForm as an input and after converting it to lower case it
        returns true if it equals to "corp", "inc.", or "co.", and false otherwise.

        PARAMETERS
        ----------
        surfaceForm : str
            String input to check.

        RETURNS
        -------
        bool
            true if it equals to "corp", "inc.", or "co.", and false otherwise.
        """
    lowerCase = surfaceForm.lower()
    return lowerCase == 'corp' or lowerCase == 'inc.' or lowerCase == 'co.'
