With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
binder
for
casein
paint
is
made
by
dissolving
casein
in
an
alkali
,
usually
lime
,
ammonium
carbonate
,
or
borax
.
The:O
binder:O
for:O
casein:other-chemicalthing
paint:O
is:O
made:O
by:O
dissolving:O
casein:other-chemicalthing
in:O
an:O
alkali:other-chemicalthing
,:O
usually:O
lime:other-chemicalthing
,:O
ammonium:other-chemicalthing
carbonate:other-chemicalthing
,:O
or:O
borax:other-chemicalthing
.:O