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 ":".
Traveler
died
in
1912
and
sources
estimate
his
age
at
32
.
Traveler:O
died:O
in:O
1912:O
and:O
sources:O
estimate:O
his:O
age:O
at:O
32:O
.:O