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 ":".
Their
purpose
is
to
encourage
cross-cultural
exchanges
among
all
people
and
enhance
self-esteem
among
Native
people
.
Their:O
purpose:O
is:O
to:O
encourage:O
cross-cultural:O
exchanges:O
among:O
all:O
people:O
and:O
enhance:O
self-esteem:O
among:O
Native:O
people:O
.:O