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 ":".
Itombe
formation
was
considered
Turonian
in
age
,
but
new
data
suggests
to
be
Coniacian
.
Itombe:O
formation:O
was:O
considered:O
Turonian:O
in:O
age:O
,:O
but:O
new:O
data:O
suggests:O
to:O
be:O
Coniacian:O
.:O