With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Future
President
Gerald
R.
Ford
lived
in
the
house
from
1921
through
1930
,
when
he
was
between
the
age
of
8
and
17
.
Future:O
President:O
Gerald:person-politician
R.:person-politician
Ford:person-politician
lived:O
in:O
the:O
house:O
from:O
1921:O
through:O
1930:O
,:O
when:O
he:O
was:O
between:O
the:O
age:O
of:O
8:O
and:O
17:O
.:O