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 ":".
A
normal
MCH
value
in
humans
is
27
to
31
picograms/cell
.
A:O
normal:O
MCH:other-biologything
value:O
in:O
humans:O
is:O
27:O
to:O
31:O
picograms/cell:other-biologything
.:O