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 ":".
I
felt
I
could
be
more
useful
in
helping
find
solutions
to
the
problems
.
''
I:O
felt:O
I:O
could:O
be:O
more:O
useful:O
in:O
helping:O
find:O
solutions:O
to:O
the:O
problems:O
.:O
'':O