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: Vorig jaar gaf toenmalig CVP-minister Luc Martens toe dat hij binnen de Vlaamse regering " aandacht " had gevraagd voor de zaak .

Output: Luc: B-PER, Martens: I-PER


Input: Consider Input: De crocodiles of industry namen hen niet ernstig , zoals Lernout & Hauspie of Steve Jobs in den beginne ook konden ervaren .

Output: Steve: B-PER, Jobs: I-PER


Input: Consider Input: " Ik ben , wel , vroeger van Marokko , meneer ... "


Output: None