With no explanation, label each line with "O", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Thus
,
the
first
Broad
Run
High
School
class
actually
formed
in
1968
,
a
full
year
before
the
Broad
Run
Ashburn
campus
construction
was
completed
.
Thus:O
,:O
the:O
first:O
Broad:organization-education
Run:organization-education
High:organization-education
School:organization-education
class:O
actually:O
formed:O
in:O
1968:O
,:O
a:O
full:O
year:O
before:O
the:O
Broad:organization-education
Run:organization-education
Ashburn:organization-education
campus:O
construction:O
was:O
completed:O
.:O