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'.

Zij is ervan overtuigd dat studies op lange termijn de factoren die de slaapgewoonten van kinderen bepalen , moeten ontrafelen .
None

Blanco ( Spa ) 4:39 -- 11 .
Blanco: B-PER

Onweersbuien erkend als ramp

None