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 ":".
He
is
well
known
for
his
work
with
sodium
reduction
around
the
world
.
He:O
is:O
well:O
known:O
for:O
his:O
work:O
with:O
sodium:other-chemicalthing
reduction:O
around:O
the:O
world:O
.:O