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: Renault promoot automaat
Example Output: None

Example Input: Marc Verwilghen geen kandidaat in Dendermonde
Example Output: Marc: B-PER, Verwilghen: I-PER

Example Input: Dat gebeurde in gemoedelijke sfeer , bij een glaasje kava , een licht verdovend traditioneel drankje .
Example Output:
None