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'.

Joker :
None

Haar licentiaatsverhandeling maakte ze over lesbiennes .
None

Hij ziet meer in gerichte acties : nationale staten die maatregelen nemen tegen kortetermijngeldstromen .

None