With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
They
returned
to
MCB
Hawaii
in
February
2009
.
They:O
returned:O
to:O
MCB:organization-other
Hawaii:organization-other
in:O
February:O
2009:O
.:O