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'.

Example Input: WOW doet mee in Antwerpen
Example Output: None

Example Input: ' We moeten niet gaan terugverlangen naar de sociale apartheid van de industriÃƒÆ’Ã‚Â«le samenleving '
Example Output: None

Example Input: De Zuidkant Radio 1 9.05
Example Output:
None