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:
De man was 75 .

Ex Output:
None


Ex Input:
Haar licentiaatsverhandeling maakte ze over lesbiennes .

Ex Output:
None


Ex Input:
Kurt Van de Wouwer wil een plaats in de toptien , Tom Steels wil een rit winnen .

Ex Output:

Kurt: B-PER, Van: I-PER, de: I-PER, Wouwer: I-PER, Tom: B-PER, Steels: I-PER