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
intervening
26
years
was
the
longest
gap
between
competitive
awards
in
Nebula
history
.
The:O
intervening:O
26:O
years:O
was:O
the:O
longest:O
gap:O
between:O
competitive:O
awards:O
in:O
Nebula:O
history:O
.:O