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 ":".
In
the
words
of
the
critics
,
one
of
the
distinctive
features
of
his
poems
is
simplicity
,
fluency
and
sincerity
.
In:O
the:O
words:O
of:O
the:O
critics:O
,:O
one:O
of:O
the:O
distinctive:O
features:O
of:O
his:O
poems:O
is:O
simplicity:O
,:O
fluency:O
and:O
sincerity:O
.:O