With no explanation, label each line with "O", "building-hotel", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Sheraton
Hotels
Lagos
has
five
moderately
sized
convention
centres
and
events
that
have
taken
place
there
include
wedding
,
conferences
and
International
exhibitions
.
Sheraton:building-hotel
Hotels:building-hotel
Lagos:building-hotel
has:O
five:O
moderately:O
sized:O
convention:O
centres:O
and:O
events:O
that:O
have:O
taken:O
place:O
there:O
include:O
wedding:O
,:O
conferences:O
and:O
International:O
exhibitions:O
.:O