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 ":".
Thrombin
is
one
trigger
which
can
stimulate
endothelial-cell
release
of
P-selectin
and
recent
studies
suggest
an
additional
Ca2+
-independent
pathway
involved
in
the
release
of
P-selectin
.
Thrombin:other-biologything
is:O
one:O
trigger:O
which:O
can:O
stimulate:O
endothelial-cell:other-biologything
release:O
of:O
P-selectin:other-biologything
and:O
recent:O
studies:O
suggest:O
an:O
additional:O
Ca2+:other-biologything
-independent:O
pathway:O
involved:O
in:O
the:O
release:O
of:O
P-selectin:other-biologything
.:O