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: Een hondje .

Output: None


Input: Consider Input: Ik had in heel die periode heel veel te danken aan mijn man .

Output: None


Input: Consider Input: Over Floralux stond er : " Ze willen regularisering .


Output: None