With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
When
founded
in
July
1826
by
Emperor
Nicholas
I
it
included
only
sixteen
investigators
.
When:O
founded:O
in:O
July:O
1826:O
by:O
Emperor:O
Nicholas:person-politician
I:O
it:O
included:O
only:O
sixteen:O
investigators:O
.:O