A holder for a rolled medium is provided. The method includes receiving information relating to an emergency in which a person needs medical help, the information including: details of the type of emergency; and details of a care providing person aiding the person needing help. The RFID controller also includes a user interface configured to receive a selection of data processing units and an arrangement of data processing units. After computing the score for each word, this method computes the score for each sentence in the set of sentences according to the score of words composing it and the position of the sentence in a section and a paragraph. The transition metal phosphine complex is represented by general formula :. The method includes the splitting of pixels data for the display into quadratic groups of pixels typically 2\xd72 pixels, and by encoding representing the same with respect to a number of color templates, with a reduced number of bits.