With no explanation, label each line with "art-writtenart", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Following
the
merger
(
1953
)
of
the
Sunday
Herald
and
Sunday
Sun
and
Guardian
,
they
continued
in
the
new
Sun-Herald
.
Following:O
the:O
merger:O
(:O
1953:O
):O
of:O
the:O
Sunday:art-writtenart
Herald:art-writtenart
and:O
Sunday:art-writtenart
Sun:art-writtenart
and:O
Guardian:art-writtenart
,:O
they:O
continued:O
in:O
the:O
new:O
Sun-Herald:art-writtenart
.:O