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 ":".
In
addition
,
Protein
C
is
inhibited
by
protein
C
inhibitor
.
In:O
addition:O
,:O
Protein:O
C:O
is:O
inhibited:O
by:O
protein:O
C:O
inhibitor:O
.:O