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: Dat woord kent u niet ?
Example Output: None

Example Input: In de catalogus heeft Nicole Craenhals de tinten die ons tegemoet spatten , opgesomd .
Example Output: Nicole: B-PER, Craenhals: I-PER

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