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:
Geert De Vlieger , FrÃƒÆ’Ã‚Â©dÃƒÆ’Ã‚Â©ric Herpoel , Jacky Peeters , Eric Van Meir , Nico Van Kerckhoven , Philippe Clement , Johan Walem , Gilles De Bilde , Mbo Mpenza , Luc Nilis , Mark Hendrikx .

Ex Output:
Geert: B-PER, De: I-PER, Vlieger: I-PER, FrÃƒÆ’Ã‚Â©dÃƒÆ’Ã‚Â©ric: B-PER, Herpoel: I-PER, Jacky: B-PER, Peeters: I-PER, Eric: B-PER, Van: I-PER, Meir: I-PER, Nico: B-PER, Van: I-PER, Kerckhoven: I-PER, Philippe: B-PER, Clement: I-PER, Johan: B-PER, Walem: I-PER, Gilles: B-PER, De: I-PER, Bilde: I-PER, Mbo: B-PER, Mpenza: I-PER, Luc: B-PER, Nilis: I-PER, Mark: B-PER, Hendrikx: I-PER


Ex Input:
Dat woord kent u niet ?

Ex Output:
None


Ex Input:
Sommige ouders panikeren en vrezen het ergste , anderen proberen er de moed in te houden .

Ex Output:

None


