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'.
--------
Question: publicatiedatum

Answer: None


Question: Ze hebben deze monstervorming in het Nederlands toch niet betaald ?

Answer: None


Question: Jan de Zutter

Answer:
Jan: B-PER, de: I-PER, Zutter: I-PER