You will be given a definition of a task first, then some input of the task.
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'.

Op termijn is het internetverhaal veel belangrijker , maar radio is momenteel een van de belangrijke aspecten van de audiovisuele markt en daar willen wij meespelen .
Output:
None