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: VÃƒÆ’Ã‚Â­er op vijf . "
Example Output: None

Example Input: Dus geen Lampre-Daikin en geen Ludo Dierckxsens in de Tour .
Example Output: Ludo: B-PER, Dierckxsens: I-PER

Example Input: Branco werd meteen gearresteerd toen hij het geld had aangenomen .
Example Output:
Branco: B-PER