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 ":".
During
a
late
night
phone
conversation
,
he
developed
a
melody
and
then
the
song
was
created
.
During:O
a:O
late:O
night:O
phone:O
conversation:O
,:O
he:O
developed:O
a:O
melody:O
and:O
then:O
the:O
song:O
was:O
created:O
.:O