Definition: 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'.

Positive Example 1 -
Input: De belle van het bal is Hillary
Output: Hillary: B-PER, Clinton: I-PER

Positive Example 2 -
Input: Mpenza -- hij begon gaandeweg zelfs ÃƒÆ’Ã‚Â©cht op Davids te lijken -- mocht draaien en keren zoveel hij wou , de squadra azzura stond pal.
Output: Mpenza: B-PER, Davids: B-PER

Negative Example 1 -
Input: Stan Ockers
Output: Stan: B-PER, Ockers: I-PER

Negative Example 2 -
Input: Lucien Van Impe
Output: Lucien: B-PER, Van: I-PER, Impe: I-PER

Now complete the following example -
Input: Het festival , dat plaatsvindt van 7 tot 22 juli , ontvangt dit jaar voorts onder meer Al Jarreau ( 10 / 7 ) , B.B. King ( 12 / 7 ) , Lou Reed en Suzanne Vega ( 13 ) , Keith Jarrett ( 17 ) en Youssou N'Dour ( 19 ) .

Answer: Al: B-PER, Jarreau: I-PER, B.B.: B-PER, King: I-PER, Lou: B-PER, Reed: I-PER, Suzanne: B-PER, Vega: I-PER, Keith: B-PER, Jarrett: I-PER, Youssou: B-PER, N'Dour: I-PER