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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def unique(text):
 """ Return an unique text @type text: str @param text: Text written used spin syntax. @return: An unique text # Generate an unique sentence 'The quick red fox jumped over the lazy dog' """


    # check if the text is correct
    correct, error = _is_correct(text)
    if not correct:
        raise Exception(error)

    s = []
    _all_unique_texts(text, s)
    return s[0]