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:
Alleen Virginia Wade overkwam het eens in 1971 .

Ex Output:
Virginia: B-PER, Wade: I-PER


Ex Input:
" Een maand of twee .

Ex Output:
None


Ex Input:
De geboren Amerikaan , zoon van Puertoricaanse immigranten , zegde vorige maand wegens ernstige hartritmestoornissen alle optredens af .

Ex Output:

None