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: Zij dwalen .
Example Output: None

Example Input: Dankzij de steun van Buenahora herstelde Casagrande even later wel het probleem .
Example Output: Buenahora: B-PER, Casagrande: B-PER

Example Input: De woordvoerster van de Wasserbilligse politie AndrÃƒÆ’Ã‚Â© Colas kon enkel bevestigen dat het om een 39-jarige man gaat van Tunesische afkomst met de Luxemburgse nationaliteit .
Example Output:
AndrÃƒÆ’Ã‚Â©: B-PER, Colas: I-PER