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: De belle van het bal is Hillary
Example output: Hillary: B-PER, Clinton: I-PER
Example explanation: In the given sentence, Hillary is identified as the person name, which is correct.
Q: Kortom , als de darm goed vol zit , moet u dringend .
A:
None