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 ":".
Phosphorylation
then
recruits
an
adaptor
protein
called
Shc
,
which
activates
the
MAPK
/
ERK
pathway
,
and
this
facilitates
gene
regulation
by
STAT5
.
Phosphorylation:O
then:O
recruits:O
an:O
adaptor:O
protein:O
called:O
Shc:other-biologything
,:O
which:O
activates:O
the:O
MAPK:other-biologything
/:O
ERK:other-biologything
pathway:O
,:O
and:O
this:O
facilitates:O
gene:O
regulation:O
by:O
STAT5:other-biologything
.:O