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 ":".
Growth
factor
receptor-bound
protein
2
also
known
as
Grb2
is
an
adaptor
protein
involved
in
signal
transduction/cell
communication
.
Growth:O
factor:O
receptor-bound:O
protein:O
2:O
also:O
known:O
as:O
Grb2:other-biologything
is:O
an:O
adaptor:O
protein:O
involved:O
in:O
signal:O
transduction/cell:O
communication:O
.:O