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: Vroeger had je hier Brabants , vervolgens kwam het zaad van Spaanse piekeniers en van losbadige edellieden , die spraken vaak Frans .
Example Output: None

Example Input: Jullie willen niet dat Kongo echt onafhankelijk wordt . "
Example Output: None

Example Input: Percussionist Tito Puente overleden
Example Output:
None