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 zin van zon

Output: None


Input: Consider Input: Specifiek in Zwitserland gaat het ook om andere cliÃƒÆ’Ã‚Â«nten met wereldwijde activiteiten in afgelegen gebieden , bijvoorbeeld het Rode Kruis .

Output: None


Input: Consider Input: GUTENBIC integreert software van Iris


Output: None