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 ":".
For
most
of
its
existence
,
this
was
a
Unionist
seat
.
For:O
most:O
of:O
its:O
existence:O
,:O
this:O
was:O
a:O
Unionist:O
seat:O
.:O