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 ":".
Exposure
to
the
skin
can
happen
by
direct
exposure
to
textile
workers
or
by
wearing
tight-fitting
textiles
dyed
with
Sudan
1
.
Exposure:O
to:O
the:O
skin:O
can:O
happen:O
by:O
direct:O
exposure:O
to:O
textile:O
workers:O
or:O
by:O
wearing:O
tight-fitting:O
textiles:O
dyed:O
with:O
Sudan:other-chemicalthing
1:other-chemicalthing
.:O