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 ":".
They
are
triggered
by
the
polarising
cytokine
IL-12
and
their
effector
cytokines
are
IFN-γ
and
IL-2
.
They:O
are:O
triggered:O
by:O
the:O
polarising:O
cytokine:O
IL-12:other-biologything
and:O
their:O
effector:O
cytokines:O
are:O
IFN-γ:other-biologything
and:O
IL-2:other-biologything
.:O