With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Bob
and
Larry
live
as
roommates
in
an
apartment
west
of
the
kitchen
counter
.
Bob:person-other
and:O
Larry:person-other
live:O
as:O
roommates:O
in:O
an:O
apartment:O
west:O
of:O
the:O
kitchen:O
counter:O
.:O