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 cursussen kosten handenvol geld .

Output: None


Input: Consider Input: " Het toestel heeft lederen zetels " .

Output: None


Input: Consider Input: De kritiek van voormalig premier Jean-Luc Dehaene op de manier waarop de Europese Commissie de crisis heeft aangepakt , was niet mals .


Output: Jean-Luc: B-PER, Dehaene: I-PER