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 ":".
There
were
also
projects
to
decrypt
some
remaining
messages
using
distributed
computing
.
There:O
were:O
also:O
projects:O
to:O
decrypt:O
some:O
remaining:O
messages:O
using:O
distributed:O
computing:O
.:O