def more(value1, value2):
        """
        Checks if first value is greater than the second one.
        The operation can be performed over numbers or strings.

        :param value1: the first value to compare

        :param value2: the second value to compare

        :return: true if the first value is greater than second and false otherwise.
        """
        number1 = FloatConverter.to_nullable_float(value1)
        number2 = FloatConverter.to_nullable_float(value2)

        if number1 == None or number2 == None:
            return False

        return number1 > number2