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 ":".
Procaspase
8
binds
to
FADD
's
death
effector
domain
(
DED
)
and
proteolytically
self-activates
as
caspase
8
.
Procaspase:other-biologything
8:other-biologything
binds:O
to:O
FADD:other-biologything
's:O
death:other-biologything
effector:other-biologything
domain:other-biologything
(:O
DED:other-biologything
):O
and:O
proteolytically:O
self-activates:O
as:O
caspase:other-biologything
8:other-biologything
.:O