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: De overeenkomst werd opgezegd , omdat ze verbreken te veel geld zou kosten , zo zei Vlaams minister van Leefmilieu Vera Dua ( Agalev ) gisteren .

Answer: Vera: B-PER, Dua: I-PER