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: 76 procent .
Example Output: None

Example Input: Duidelijk is dat het betrokken decreet het kader blijft en dat de VDAB de organisatie van de netoverschrijdende vervangingspools zal organiseren .
Example Output: None

Example Input: Meisjes en jongens mochten toen hun mening geven over hun rechten .
Example Output:
None