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: En als ik de tribune in Charleroi zie , zo steil als een roetsjbaan , hou ik mijn hart vast .

Output: None


Input: Consider Input: Branko Strupar weet zaterdag alle ogen op hem gericht

Output: Branko: B-PER, Strupar: I-PER


Input: Consider Input: 76 procent .


Output: None