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: publicatie
Example Output: None

Example Input: Vorig jaar gaf toenmalig CVP-minister Luc Martens toe dat hij binnen de Vlaamse regering " aandacht " had gevraagd voor de zaak .
Example Output: Luc: B-PER, Martens: I-PER

Example Input: Bijvoorbeeld : sommige mensen lijken problemen aan te trekken .
Example Output:
None

