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'.

Dat is elementaire logica .
None

Het is in deze rubriek al eerder geschreven .
None

" Ik ben nooit positief geweest .

None