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 ":".
The
name
was
changed
in
2009
to
Northeast
Regional
Series
and
started
crowning
series
champions
.
The:O
name:O
was:O
changed:O
in:O
2009:O
to:O
Northeast:event-sportsevent
Regional:event-sportsevent
Series:event-sportsevent
and:O
started:O
crowning:O
series:O
champions:O
.:O