With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
After
a
while
these
were
transferred
to
a
reopened
Exeter
Traction
Maintenance
Depot
.
After:O
a:O
while:O
these:O
were:O
transferred:O
to:O
a:O
reopened:O
Exeter:organization-other
Traction:organization-other
Maintenance:organization-other
Depot:organization-other
.:O