With no explanation, label each line with "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Hemoglobin
A2
is
a
minor
component
of
hemoglobin
found
in
red
blood
cells
.
Hemoglobin:other-biologything
A2:other-biologything
is:O
a:O
minor:O
component:O
of:O
hemoglobin:O
found:O
in:O
red:O
blood:O
cells:O
.:O