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 ":".
This
reagent
together
with
a
fluorescent
azide
cause
fluorescence
of
infected
cells
but
not
of
uninfected
cells
.
This:O
reagent:O
together:O
with:O
a:O
fluorescent:O
azide:other-biologything
cause:O
fluorescence:O
of:O
infected:O
cells:O
but:O
not:O
of:O
uninfected:O
cells:O
.:O