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: 259 winnaars met vijf juiste getallen winnen elk 34.270 frank ( 849,53 euro ) .
Example Output: None

Example Input: Politieke spanning over aanwijzing Kapellens VLD-raadslid als expert voor regularisatiecommissie
Example Output: None

Example Input: " Neen , er is geen probleem . "
Example Output:
None