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 ":".
There
are
multiple
types
of
hemoglobin
that
have
been
found
in
the
human
body
alone
.
There:O
are:O
multiple:O
types:O
of:O
hemoglobin:O
that:O
have:O
been:O
found:O
in:O
the:O
human:O
body:O
alone:O
.:O