With no explanation, label each line with "O", "other-astronomything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
predicted
reappearance
in
the
middle
of
the
century
of
Halley
's
comet
intensified
scientific
interest
in
cometic
orbits
.
The:O
predicted:O
reappearance:O
in:O
the:O
middle:O
of:O
the:O
century:O
of:O
Halley:other-astronomything
's:O
comet:O
intensified:O
scientific:O
interest:O
in:O
cometic:O
orbits:O
.:O