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 conclusies van de studie zullen niemand verrassen " , zo betoogt Ronald Dahl , kinderarts aan de faculteit geneeskunde van de universiteit in het Amerikaanse Pittsburgh .

Ex Output:
Ronald: B-PER, Dahl: I-PER


Ex Input:
Deense QuizPeople nu ook in BelgiÃƒÆ’Ã‚Â«

Ex Output:
None


Ex Input:
Het bedrijf verkeert niet in geldnood .

Ex Output:

None