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: Plots een kreet .

Output: None


Input: Consider Input: " Vorig jaar werd die in Brussel op 27 dagen overschreden .

Output: None


Input: Consider Input: " Het was toen Ronald de Boer die miste .


Output: Ronald: B-PER, de: I-PER, Boer: I-PER