code: def check(text):
      
      err = "lexical_illusions.misc"
      msg = u"There's a lexical illusion here: a word is repeated."
  
      list = [
          "the\sthe",
          "am\sam",
          "has\shas"
      ]
  
      return existence_check(text, list, err, msg)
docs: Check the text.