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:
Maar ondanks die mindere nachtrust blijft de schooldag even lang duren en is hij net zo veeleisend .

Ex Output:
None


Ex Input:
Daarom weten we dat we ons doel kunnen halen ' , zegt een zelfverzekerde VT4-baas Carlo Gepts .

Ex Output:
Carlo: B-PER, Gepts: I-PER


Ex Input:
En Frank Vandenbroucke ?

Ex Output:

Frank: B-PER, Vandenbroucke: I-PER


