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: Alain Devos

Output: Alain: B-PER, Devos: I-PER


Input: Consider Input: Zo konden ze beter in het oog worden gehouden .

Output: None


Input: Consider Input: " Het gaat niet goed met mij " , stelde een overigens serene Vandenbroucke .


Output: Vandenbroucke: B-PER