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: Kristien Daelemans
Example Output: Kristien: B-PER, Daelemans: I-PER

Example Input: ( BE )
Example Output: BE: B-PER

Example Input: Daarbij kwamen tot woensdagavond 27 mensen , onder wie vier blanke boeren , om het leven .
Example Output:
None

