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: Ik vrees het ergste .

Output: None


Input: Consider Input: Denkt u dat Luc Nilis erg ontgoocheld is ?

Output: Luc: B-PER, Nilis: I-PER


Input: Consider Input: In Right of the Man stelt Paine dat elke machtsuitoefening via erfopvolging fundamenteel ondemocratisch is .


Output: Paine: B-PER