With no explanation, label each line with "O", "event-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
event
was
a
``
Powder
Puff
``
girls
'
football
game
between
members
of
the
junior
and
senior
classes
.
The:O
event:O
was:O
a:O
``:O
Powder:event-other
Puff:event-other
``:O
girls:O
':O
football:O
game:O
between:O
members:O
of:O
the:O
junior:O
and:O
senior:O
classes:O
.:O