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 ":".
This
involves
new
forms
of
cooperation
as
the
world
is
now
one
village
.
This:O
involves:O
new:O
forms:O
of:O
cooperation:O
as:O
the:O
world:O
is:O
now:O
one:O
village:O
.:O