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:
Bij iedere prestatie werden verdachtmakingen geplaatst .

Ex Output:
None


Ex Input:
Voor zo iemand heb ik bijzonder veel sympathie . "

Ex Output:
None


Ex Input:
Belli ( Ita ) 1:11 -- 5 .

Ex Output:

Belli: B-PER