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 Input:
Voor de minst dure allroad , met de knappe 2,5 liter TDI van 180 pk , moet immers al 1.780.000 frank ( 44.125 euro ) worden neergeteld .

Ex Output:
None


Ex Input:
Eerst VTM-cafÃƒÆ’Ã‚Â© geopend in OostendeBij de Wellington-renbaan ...

Ex Output:
None


Ex Input:
Vroeger waren we een puddingfabriek .

Ex Output:

None