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 ":".
However
,
in
recent
centuries
,
its
parishioners
started
to
emigrate
to
other
countries
all
over
the
world
.
However:O
,:O
in:O
recent:O
centuries:O
,:O
its:O
parishioners:O
started:O
to:O
emigrate:O
to:O
other:O
countries:O
all:O
over:O
the:O
world:O
.:O