With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
raw
materials
going
in
and
requirement
of
distribution
of
output
,
the
transport
result
was
a
relative
boom
in
both
freight
and
passenger
traffic
.
The:O
raw:O
materials:O
going:O
in:O
and:O
requirement:O
of:O
distribution:O
of:O
output:O
,:O
the:O
transport:O
result:O
was:O
a:O
relative:O
boom:O
in:O
both:O
freight:O
and:O
passenger:O
traffic:O
.:O