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:
Of andere speciale evenementen voor vrouwen .

Ex Output:
None


Ex Input:
De federale regering besliste tevens het experiment niet langer te beperken tot de Brusselse regio .

Ex Output:
None


Ex Input:
Verbrugghe -- 17 .

Ex Output:

Verbrugghe: B-PER