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: Hij ziet meer in gerichte acties : nationale staten die maatregelen nemen tegen kortetermijngeldstromen .
Example Output: None

Example Input: Ludo Dierckxsens kon het nauwelijks geloven .
Example Output: Ludo: B-PER, Dierckxsens: I-PER

Example Input: " Dat weet ik niet .
Example Output:
None

