With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Kuwait
was
a
centre
for
ship-building
and
pearl
diving
and
fishing
were
important
commercial
activities
.
Kuwait:location-GPE
was:O
a:O
centre:O
for:O
ship-building:O
and:O
pearl:O
diving:O
and:O
fishing:O
were:O
important:O
commercial:O
activities:O
.:O