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
duplicate
bridge
was
specified
to
have
a
design
life
of
300
years
.
The:O
duplicate:O
bridge:O
was:O
specified:O
to:O
have:O
a:O
design:O
life:O
of:O
300:O
years:O
.:O