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 ":".
This
marked
the
first
time
since
1967
that
both
teams
faced
each
other
with
at
least
one
loss
.
This:O
marked:O
the:O
first:O
time:O
since:O
1967:O
that:O
both:O
teams:O
faced:O
each:O
other:O
with:O
at:O
least:O
one:O
loss:O
.:O