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'.

Input: Consider Input: Vorig jaar kreeg ik overigens met hetzelfde probleem af te rekenen toen ik in de Ronde van de Waalse Gewesten weer aanknoopte met de competitie .

Output: None


Input: Consider Input: WOW doet mee in Antwerpen

Output: None


Input: Consider Input: Voorzitter Imperial Invest Fernand Collin De verankeringsstrategie ...


Output: Fernand: B-PER, Collin: I-PER