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: PCB-besmetting in Feluy via pletinstallatie voor graan

Output: None


Input: Consider Input: ItaliÃƒÆ’Ã‚Â« : Mapei - Quick-Step ( Steels ) -- Polti ( Virenque ) -- Saeco ( Dufaux ) -- Mercatone Uno ( Pantani ) -- Vini Caldirola ( Vainsteins ) .

Output: Steels: B-PER, Virenque: B-PER, Dufaux: B-PER, Pantani: B-PER, Vainsteins: B-PER


Input: Consider Input: Op het discussieforum worden ondertussen druk tips uitgewisseld .


Output: None