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 dacht dat het misschien mijn laatste training was .

Output: None


Input: Consider Input: " Ik ben nooit positief geweest .

Output: None


Input: Consider Input: Antwerpse hof van beroep laat zaakvoerster van tuincentrum Floralux ongestraft


Output: None