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'.

Input: Consider Input: Rubiera ( Spa ) 49 -- 11 .

Output: Rubiera: B-PER


Input: Consider Input: Intussen gaat de overname van moederbedrijf SBS door UPC niet door .

Output: None


Input: Consider Input: Die dacht dus : het moet hoog .


Output: None