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 ":".
The
former
staffs
and
operates
the
park
grounds
,
and
the
latter
produces
and
presents
the
performance
and
education
programs
.
The:O
former:O
staffs:O
and:O
operates:O
the:O
park:O
grounds:O
,:O
and:O
the:O
latter:O
produces:O
and:O
presents:O
the:O
performance:O
and:O
education:O
programs:O
.:O