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'.

( LB )
LB: B-PER

Stalen van varkens onder beslag die het verdachte voeder hadden gegeten of loten vleesproducten leverden totnogtoe geen positief resultaat op .
None

Usov ( WRu ) -- 6 .

Usov: B-PER

