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: De staatsgreep op de Fiji-eilanden is intussen ook een complexe familiesoap geworden .

Output: None


Input: Consider Input: Ze zijn mooi , de schilderijen die Tzwern heeft verzameld

Output: Tzwern: B-PER


Input: Consider Input: Hebben de onderhandelingen lang geduurd ?


Output: None