With no explanation, label each line with "O", "other-chemicalthing", "other-astronomything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
This
is
located
roughly
midway
between
Delta
Draconis
and
Zeta
Draconis
.
This:O
is:O
located:O
roughly:O
midway:O
between:O
Delta:other-astronomything
Draconis:other-astronomything
and:O
Zeta:other-chemicalthing
Draconis:other-chemicalthing
.:O