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: ( KDM )
Example Output: KDM: B-PER

Example Input: Jongeren , die zich beter niet laten verbranden , trekken er zich niets van aan .
Example Output: None

Example Input: Wij gaan door , we zullen nog meer doelwitten uitkiezen .
Example Output:
None