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'.

[EX Q]: Hij volgt in die functie baron Willem van de Voorde op .
[EX A]: Willem: B-PER, van: I-PER, de: I-PER, Voorde: I-PER

[EX Q]: Nog in deze Tour ' , maakte hij gisteren aan alle renners bekend .
[EX A]: None

[EX Q]: Zie www .
[EX A]:
None