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 ":".
The
closing
ceremony
of
the
games
took
place
on
26
February
at
the
conclusion
of
the
men
's
free
program
of
figure
skating
.
The:O
closing:O
ceremony:O
of:O
the:O
games:O
took:O
place:O
on:O
26:O
February:O
at:O
the:O
conclusion:O
of:O
the:O
men:O
's:O
free:O
program:O
of:O
figure:O
skating:O
.:O