You will be given a definition of a task first, then an example. Follow the example to solve a new instance 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'.

De belle van het bal is Hillary
Solution: Hillary: B-PER, Clinton: I-PER
Why? In the given sentence, Hillary is identified as the person name, which is correct.

New input: Clarke huldigt echter een extremer standpunt dat velen in de zogenaamde free software-beweging met hem delen , namelijk dat copyrightbescherming in het internettijdperk gewoon een anachronisme is geworden .
Solution:
Clarke: B-PER