With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
As
of
2017
,
the
library
sees
135,000
visitors
a
year
,
including
school
groups
visiting
the
third-floor
museum
.
As:O
of:O
2017:O
,:O
the:O
library:O
sees:O
135,000:O
visitors:O
a:O
year:O
,:O
including:O
school:O
groups:O
visiting:O
the:O
third-floor:O
museum:O
.:O