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: Maar later kwamen ze me vragen om hun dromen te verklaren .

Output: None


Input: Consider Input: Marc Verwilghen geen kandidaat in Dendermonde

Output: Marc: B-PER, Verwilghen: I-PER


Input: Consider Input: De gemeenten krijgen voortaan een samenwerkingsmenu aangeboden .


Output: None