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:
Ook dit toestel zal nog rond de 1.000 dollar kosten .

Ex Output:
None


Ex Input:
McRae ( VSt ) 1:47 -- 14 .

Ex Output:
McRae: B-PER


Ex Input:
Natuurlijk moet die keeper dan naar links .

Ex Output:

None