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'.

[EX Q]: Zij laken de lakse houding van de Belgische en Brusselse overheden om het ozonprobleem fundamenteel op te lossen .
[EX A]: None

[EX Q]: Mannen :
[EX A]: None

[EX Q]: " Buiten de zomerse piekmomenten is de lijn minder rendabel dan in het verleden " , zo luidt het bij Hoverspeed .
[EX A]:
None