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'.

" Vorig jaar werd die in Brussel op 27 dagen overschreden .
None

Beschermer Amazonewoud opgepakt wegens afpersing
None

" In tegenstelling tot wat professor Yap dacht , ging het helemaal niet om spontaan delende levercellen " , zegt professor Guy Mannaerts .

Yap: B-PER, Guy: B-PER, Mannaerts: I-PER