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: Vlamingen kunnen wel terecht bij Nederland 1 .
Example Output: None

Example Input: Want Bram Vermeulen pretendeert niet de wijsheid in pacht te hebben .
Example Output: Bram: B-PER, Vermeulen: I-PER

Example Input: Dat bleek woensdag na de ministerraad , die hun federaal ozonplan goedkeurde .
Example Output:
None