With no explanation, label each line with "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
A
month
after
his
cross
country
victory
,
he
entered
the
Berlin
Half
Marathon
and
won
in
a
time
of
1:00:38
hours
.
A:O
month:O
after:O
his:O
cross:O
country:O
victory:O
,:O
he:O
entered:O
the:O
Berlin:event-sportsevent
Half:event-sportsevent
Marathon:event-sportsevent
and:O
won:O
in:O
a:O
time:O
of:O
1:00:38:O
hours:O
.:O