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 ":".
Tanning
began
in
the
town
centre
but
by
the
mid-19th
century
had
largely
moved
to
larger
premises
on
the
outskirts
.
Tanning:O
began:O
in:O
the:O
town:O
centre:O
but:O
by:O
the:O
mid-19th:O
century:O
had:O
largely:O
moved:O
to:O
larger:O
premises:O
on:O
the:O
outskirts:O
.:O