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 ":".
The
sponsorship
treaty
is
validated
until
end
of
2008-2009
season
.
The:O
sponsorship:O
treaty:O
is:O
validated:O
until:O
end:O
of:O
2008-2009:O
season:O
.:O