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:
Klein van stuk , afhangende snor en priemende ogen die niks lijken te ontgaan : de uiterlijke kenmerken kloppen .

Ex Output:
None


Ex Input:
Erg interessant , maar je wordt geleefd .

Ex Output:
None


Ex Input:
Kristien Daelemans

Ex Output:

Kristien: B-PER, Daelemans: I-PER


