With no explanation, label each line with "O", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
2101
was
pulled
from
the
scrapyard
and
restored
to
operating
condition
in
only
30
days
in
the
same
building
where
she
was
constructed
from
a
2-8-0
nearly
30
years
earlier—and
painted
as
``
American
Freedom
Train
#
1
``
.
2101:O
was:O
pulled:O
from:O
the:O
scrapyard:O
and:O
restored:O
to:O
operating:O
condition:O
in:O
only:O
30:O
days:O
in:O
the:O
same:O
building:O
where:O
she:O
was:O
constructed:O
from:O
a:O
2-8-0:O
nearly:O
30:O
years:O
earlier—and:O
painted:O
as:O
``:O
American:product-train
Freedom:product-train
Train:product-train
#:product-train
1:product-train
``:O
.:O