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 ":".
Furthermore
,
the
complex
can
be
activated
by
thrombin
.
Furthermore:O
,:O
the:O
complex:O
can:O
be:O
activated:O
by:O
thrombin:other-biologything
.:O