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'.

Example Input: Ook dit toestel zal nog rond de 1.000 dollar kosten .
Example Output: None

Example Input: Dat botst ook met het grondwetsartikel 23 dat iedereen ' menselijke waardigheid ' garandeert .
Example Output: None

Example Input: Dat India , zo zeggen 's lands politici met grote trots , de grootste democratie ter wereld is .
Example Output:
None