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 Input:
Personages in ' Dansen op mijn graf ' in NTG missen ruggengraat

Ex Output:
None


Ex Input:
Ze zijn mooi , de schilderijen die Tzwern heeft verzameld

Ex Output:
Tzwern: B-PER


Ex Input:
De dokters waarschuwen nog maar eens om voldoende water mee te nemen .

Ex Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
None


