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: Personages in ' Dansen op mijn graf ' in NTG missen ruggengraat

Output: None


Input: Consider Input: Het transitland , in dit geval BelgiÃƒÆ’Ã‚Â« , moet dat respecteren .

Output: None


Input: Consider Input: Op het departement Onderwijs reageert men veeleer negatief op de ideeÃƒÆ’Ã‚Â«n van de informaticacoÃƒÆ’Ã‚Â¶rdinatoren .


Output: None