In this task, you will be presented with a question in Dutch language, and you have to write the person names from the question if present. B denotes the first item of a phrase and an I any non-initial word. Phrase used for the person name - PER. There can be instances with no person name entity, then return 'None'.

Input: Consider Input: De Zuidkant praat met Jan Wauters over de keeper , zijn favoriete speler .

Output: Jan: B-PER, Wauters: I-PER


Input: Consider Input: Carlo Gepts over de radio- en televisieambities van VT4 in Vlaanderen

Output: Carlo: B-PER, Gepts: I-PER


Input: Consider Input: ' Vrouwen aller steden : verover de straat tijdens Euro 2000 '


Output: None